Name: Guilherme Clezar
Country: Brazil
Birthdate: 31.12.92, 31 years
ATP ranking: 878
TOP ranking's position: 153 (03.08.15, 330 points)
Points: 15
Prize money: 625.196 $
Matches total: 660
Win: 347
%: 52.58 %
Country: Brazil
Birthdate: 31.12.92, 31 years
ATP ranking: 878
TOP ranking's position: 153 (03.08.15, 330 points)
Points: 15
Prize money: 625.196 $
Matches total: 660
Win: 347
%: 52.58 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2022 | 2/1 | 0/0 | 2/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 1/6 | 0/1 | 1/5 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 21/12 | 6/3 | 10/6 | 5/3 | 0/0 | 0/0 | 0/0 |
| 2019 | 31/32 | 2/8 | 29/23 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2018 | 27/27 | 1/3 | 26/23 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2017 | 36/30 | 1/4 | 35/26 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 24/29 | 6/9 | 18/18 | 0/1 | 0/0 | 0/1 | 0/0 |
| 2015 | 43/35 | 9/7 | 34/27 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2014 | 20/26 | 1/3 | 19/23 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 36/32 | 3/5 | 33/26 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2012 | 28/30 | 8/5 | 20/25 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2011 | 52/24 | 10/6 | 42/18 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2010 | 18/19 | 4/5 | 13/13 | 0/0 | 0/0 | 1/1 | 0/0 |
| 2009 | 7/6 | 0/1 | 7/4 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2008 | 1/2 | 0/0 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2007 | 0/2 | 0/0 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 347/313 | 51/60 | 290/242 | 5/5 | 0/0 | 1/6 | 0/0 |
| perc. % | 52.58 % | 45.95 % | 54.51 % | 50 % | 0 % | 14.29 % | 0 % |
Guilherme Clezar / Fixtures
| no matches found |
Guilherme Clezar form / surface: Hard
Guilherme Clezar / surface: Hard
| 14.12.21 | 1st round | Genaro Alberto Olivieri | Guilherme Clezar | 5-7, 6-4, 6-3 |  | match details |  Rio De | Hard |
| 10.11.20 | 1st round | Thiago Moura Monteiro | Guilherme Clezar | 7-65, 3-2, Guilherme Clezar - retired | | match details |  Cary Challenger | Hard |
| 05.03.20 | 3rd round | Kevin King | Guilherme Clezar | 7-64, 4-6, 6-4 | | match details |  Monterrey Challenger | Hard |
| 04.03.20 | 2nd round | Guilherme Clezar | Federico Coria | 6-1, 6-75, 7-65 |  | match details | ||
| 02.03.20 | 1st round | Guilherme Clezar | Nicolas Mejia | 6-1, 6-4 | | match details | ||
| 22.02.20 | 1/2 | Jurij Rodionov | Guilherme Clezar | 3-6, 6-2, 6-4 | | match details | Morelos Challenger | Hard |
| 21.02.20 | 1/4 | Guilherme Clezar | Daniel Altmaier | 3-6, 7-63, 6-4 | | match details | ||
| 20.02.20 | 3rd round | Guilherme Clezar | Roberto Quiroz | 7-62, 6-2 | | match details | ||
| 19.02.20 | 2nd round | Guilherme Clezar | Ramkumar Ramanathan | 7-65, 4-6, 6-4 | | match details | ||
| 17.02.20 | 1st round | Guilherme Clezar | Diego Hidalgo | 7-65, 6-2 | | match details | ||
| 20.03.19 | 2nd round | Soon-Woo Kwon | Guilherme Clezar | 7-66, 6-3 | | match details |  Zhangjiagang Challenger | Hard |
| 19.03.19 | 1st round | Guilherme Clezar | Harri Heliovaara | 7-61, 6-3 | | match details | ||
| 12.03.19 | 1st round | Max Purcell | Guilherme Clezar | 7-63, 7-63 | | match details | Shenzhen Challenger | Hard |
| 07.03.19 | 3rd round | Hiroki Moriya | Guilherme Clezar | 6-3, 6-4 | | match details | Zhuhai Challenger | Hard |
| 06.03.19 | 2nd round | Guilherme Clezar | Runhao Hua | 6-2, 4-6, 7-5 | | match details | ||
| 26.02.19 | 2nd round | Gastao Elias | Guilherme Clezar | 0-6, 6-2, 7-64 | | match details |  Yokohama Challenger | Hard |
| 29.01.19 | 2nd round | Tsung-Hua Yang | Guilherme Clezar | 7-5, 7-62 | | match details |  Launceston Challenger | Hard |
| 23.01.19 | 2nd round | Jeremy Beale | Guilherme Clezar | 6-2, 6-4 | | match details | Burnie Challenger | Hard |
| 08.01.19 | q 1 | Rudolf Molleker | Guilherme Clezar | 7-610, 7-66 | | match details | Melbourne | Hard |
| 31.12.18 | 1st round | Tomas Barrios Vera | Guilherme Clezar | 4-6, 6-2, 6-3 | | match details |  Noumea Challenger | Hard |
| 23.08.18 | q 2 | Lorenzo Sonego | Guilherme Clezar | 7-5, 5-7, 6-3 | | match details | New York | Hard |
| 22.08.18 | q 1 | Guilherme Clezar | Ricardo Ojeda Lara | 6-4, 6-3 | | match details | ||
| 06.04.18 | Daniel Elahi Galan | Guilherme Clezar | 3-6, 6-2, 6-1 | | match details |  Davis Cup | Hard | |
| 22.01.18 | 1st round | Stefan Kozlov | Guilherme Clezar | 6-2, 6-3 | | match details | Newport Beach | Hard |
| 15.09.17 | Rubber 1 | Yuichi Sugita | Guilherme Clezar | 6-2, 7-5, 7-65 | | match details | Davis Cup | Hard |
| 16.03.17 | 1st round | Gianluigi Quinzi | Guilherme Clezar | 6-2, 7-5 | | match details |  Buenos Aires | Hard |
| 13.01.17 | q 2 | Julien Benneteau | Guilherme Clezar | 7-5, 6-0 | | match details | Melbourne | Hard |
| 11.01.17 | q 1 | Guilherme Clezar | Kristijan Mesaros | 6-2, 6-1 | | match details | ||
| 03.01.17 | 1st round | Stefanos Tsitsipas | Guilherme Clezar | 6-3, 7-5 | | match details | Noumea Challenger | Hard |
| 17.10.16 | 1st round | Marco Trungelliti | Guilherme Clezar | 3-6, 6-4, 6-4 | | match details | Las Vegas | Hard |
| 10.10.16 | 1st round | Ruben Gonzales | Guilherme Clezar | 6-3, 3-6, 7-66 | | match details | Monterrey Challenger | Hard |
| 04.10.16 | 1st round | Noah Rubin | Guilherme Clezar | 2-6, 6-3, 6-3 | | match details | Stockton Challenger | Hard |
| 26.09.16 | 1st round | Stefan Kozlov | Guilherme Clezar | 6-2, 6-2 | | match details | Tiburon Challenger | Hard |
| 29.08.16 | 1st round | Marco Chiudinelli | Guilherme Clezar | 2-6, 7-66, 6-2, 6-4 | | match details | New York | Hard |
| 26.08.16 | qual. | Guilherme Clezar | Alexander Sarkissian | 6-4, 7-65 | | match details | ||
| 25.08.16 | q 2 | Guilherme Clezar | Tim Smyczek | 7-64, 6-3 | | match details | ||
| 23.08.16 | q 1 | Guilherme Clezar | Facundo Arguello | 6-2, 6-3 | | match details | ||
| 12.08.16 | 1/4 | Matija Pecotic | Guilherme Clezar | 6-3, 6-4 | | match details |  Gatineau Challenger | Hard |
| 11.08.16 | 2nd round | Guilherme Clezar | John-Patrick Smith | 4-6, 6-3, 6-4 | | match details | ||
| 09.08.16 | 1st round | Guilherme Clezar | Franko Skugor | 3-6, 6-4, 6-3 | | match details | ||
| 03.08.16 | 2nd round | Mitchell Krueger | Guilherme Clezar | 6-4, 7-63 | | match details | Granby Challenger | Hard |
| 01.08.16 | 1st round | Guilherme Clezar | Eduardo Struvay | 4-6, 6-0, 2-0, Eduardo Struvay - retired | | match details | ||
| 26.07.16 | 1st round | Ernesto Escobedo | Guilherme Clezar | 6-3, 7-64 | | match details | Lexington Challenger | Hard |
| 20.07.16 | 1st round | Jose Statham | Guilherme Clezar | 6-72, 7-5, 6-4 | | match details | Binghamton Challenger | Hard |
| 28.08.15 | qual. | John-Patrick Smith | Guilherme Clezar | 6-3, 6-2 | | match details | New York | Hard |
| 27.08.15 | q 2 | Guilherme Clezar | Nicolas Almagro | 7-67, 4-6, 6-4 | | match details | ||
| 26.08.15 | q 1 | Guilherme Clezar | Amir Weintraub | 3-6, 6-4, 6-3 | | match details | ||
| 13.08.15 | 2nd round | Malek Jaziri | Guilherme Clezar | 6-3, 3-6, 6-3 | | match details | Aptos Challenger | Hard |
| 11.08.15 | 1st round | Guilherme Clezar | Somdev Devvarman | 6-2, 1-6, 6-3 | | match details | ||
| 01.08.15 | q 1 | Ryan Harrison | Guilherme Clezar | 6-3, 6-72, 6-2 | | match details | Washington | Hard |
| 31.07.15 | 1/4 | John Millman | Guilherme Clezar | 6-1, 6-1 | | match details | Lexington Challenger | Hard |
| 30.07.15 | 2nd round | Guilherme Clezar | Frank Dancevic | 6-3, 6-4 | | match details | ||
| 28.07.15 | 1st round | Guilherme Clezar | Tom Jomby | 6-71, 7-5, 6-2 | | match details | ||
| 21.07.15 | 1st round | Alex Kuznetsov | Guilherme Clezar | 6-1, 6-3 | | match details | Binghamton Challenger | Hard |
| 14.01.15 | q 1 | Jan Mertl | Guilherme Clezar | 7-61, 6-72, 6-0 | | match details | Melbourne | Hard |
| 08.01.15 | 1/4 | Jimmy Wang | Guilherme Clezar | 6-4, 6-3 | | match details | Noumea Challenger | Hard |
| 07.01.15 | 2nd round | Guilherme Clezar | Vincent Millot | 4-6, 7-65, 6-4 | | match details | ||
| 05.01.15 | 1st round | Guilherme Clezar | Yuichi Sugita | 6-4, 6-2 | | match details | ||
| 04.01.15 | qual. | Guilherme Clezar | Gavin Van Peperzeel | 1-6, 6-0, 6-0 | | match details | ||
| 03.01.15 | q 1 | Guilherme Clezar | Nicolas N'Godrela | 6-2, 6-2 | | match details | ||
| 20.08.14 | q 1 | Martin Alund | Guilherme Clezar | 6-4, 3-6, 6-3 | | match details | New York | Hard |
| 04.03.14 | q 1 | Taro Daniel | Guilherme Clezar | 6-76, 6-4, 6-2 | | match details | Indian Wells | Hard |
| 02.01.14 | 2nd round | Guido Pella | Guilherme Clezar | 7-65, 4-6, 7-62 | | match details | Sao Paulo | Hard |
| 31.12.13 | 1st round | Guilherme Clezar | Rafael Camilo | 6-4, 6-1 | | match details | ||
| 03.09.13 | 1st round | Konstantin Kravchuk | Guilherme Clezar | 6-1, 6-3 | | match details | St. Remy | Hard |
| 20.08.13 | q 1 | Andrey Golubev | Guilherme Clezar | 6-3, 6-3 | | match details | New York | Hard |
| 09.05.13 | 1/4 | James Duckworth | Guilherme Clezar | 6-4, 6-3 | | match details | Rio Quente | Hard |
| 08.05.13 | 2nd round | Guilherme Clezar | Marcelo Tebet Filho | 6-3, 6-3 | | match details | ||
| 07.05.13 | 1st round | Guilherme Clezar | Andre Miele | 6-4, 6-1 | | match details | ||
| 09.01.13 | q 1 | Dusan Lajovic | Guilherme Clezar | 6-3, 7-66 | | match details | Melbourne | Hard |
| 02.01.13 | 2nd round | Gastao Elias | Guilherme Clezar | 4-6, 6-2, 6-3 | | match details | Sao Paulo | Hard |
| 31.12.12 | 1st round | Guilherme Clezar | Thiago Moura Monteiro | 6-4, 6-4 | | match details | ||
| 05.10.12 | 1/2 | Ricardo Hocevar | Guilherme Clezar | 6-3, 6-4 | | match details | Belem Challenger | Hard |
| 04.10.12 | 1/4 | Guilherme Clezar | Leonardo Kirche | 6-3, 6-4 | | match details | ||
| 03.10.12 | 2nd round | Guilherme Clezar | Joao Pedro Sorgi | 6-2, 6-3 | | match details | ||
| 01.10.12 | 1st round | Guilherme Clezar | Thiago Alves | 6-4, 6-4 | | match details | ||
| 24.09.12 | 1st round | Fabricio Neis | Guilherme Clezar | 6-4, 3-6, 6-4 | | match details | Brazil F27 | Hard |
| 22.08.12 | q 1 | Wayne Odesnik | Guilherme Clezar | 6-1, 6-4 | | match details | New York | Hard |
| 12.05.12 | fin | Guilherme Clezar | Paul Capdeville | 7-64, 6-3 | | match details | Rio Quente | Hard |
| 11.05.12 | 1/2 | Guilherme Clezar | Thiago Alves | 3-6, 6-3, 6-4 | | match details | ||
| 10.05.12 | 1/4 | Guilherme Clezar | Bruno Sant'Anna | 6-4, 6-3 | | match details | ||
| 09.05.12 | 2nd round | Guilherme Clezar | Ricardo Mello | 6-4, 6-4 | | match details | ||
| 07.05.12 | 1st round | Guilherme Clezar | Fabiano De Paula | 6-4, 6-4 | | match details | ||
| 12.01.12 | q 1 | Alex Kuznetsov | Guilherme Clezar | 6-1, 7-66 | | match details | Melbourne | Hard |
| 03.01.12 | 1st round | Federico Delbonis | Guilherme Clezar | 6-4, 6-2 | | match details | Sao Paulo | Hard |
| 07.11.11 | 2nd round | Guilherme Clezar | Gustavo Guerses | 3-6, 6-1, 6-0 | | match details | Brazil F38 | Hard |
| 07.11.11 | 1/4 | Guilherme Clezar | Fabiano De Paula | 6-1, 6-4 | | match details | ||
| 07.11.11 | 1/2 | Alexandre Schnitman | Guilherme Clezar | 2-6, 7-64, Guilherme Clezar - retired | | match details | ||
| 07.11.11 | 1st round | Guilherme Clezar | Silas Araujo De Cerqueira | 6-1, 6-2 | | match details | ||
| 26.09.11 | 1st round | Rafael Camilo | Guilherme Clezar | 7-5, 6-3 | | match details | Recife Challenger | Hard |
| 04.08.11 | 2nd round | Julio Silva | Guilherme Clezar | 6-4, 6-75, 6-1 | | match details | Campos do | Hard |
| 01.08.11 | 1st round | Guilherme Clezar | Rafael Camilo | 7-65, 3-6, 6-3 | | match details | ||
| 09.05.11 | 2nd round | Guilherme Clezar | Juan Carlos Saez | 6-3, 3-6, 6-4 | | match details | Brazil F13 | Hard |
| 09.05.11 | 1/4 | Guilherme Clezar | Javier Sebastian Munoz Canessa | 6-3, 7-62 | | match details | ||
| 09.05.11 | 1st round | Guilherme Clezar | Thales Turini | 3-6, 6-3, 6-4 | | match details | ||
| 09.05.11 | 1/2 | Thiago Alves | Guilherme Clezar | 6-4, 6-1 | | match details | ||
| 08.04.11 | 1/4 | Tiago Fernandes | Guilherme Clezar | 6-4, 3-6, 7-63 | | match details | Recife Challenger | Hard |
| 06.04.11 | 2nd round | Guilherme Clezar | Ilya Belyaev | 6-1, 6-3 | | match details | ||
| 04.04.11 | 1st round | Guilherme Clezar | Marco Chiudinelli | 6-4, 2-2, Marco Chiudinelli - retired | | match details | ||
| 03.01.11 | q 2 | Rodrigo Guidolin | Guilherme Clezar | 6-75, 6-4, 7-64 | | match details | Sao Paulo | Hard |
| 03.01.11 | q 1 | Guilherme Clezar | Bruno Semenzato | 7-63, 7-64 | | match details | ||
| 07.09.10 | 2nd round | Andrea Collarini | Guilherme Clezar | 7-61, 6-3 | | match details | U.S. Open | Hard |
| 05.09.10 | 1st round | Guilherme Clezar | Ricardo Rodriguez-Pace | 6-3, 3-6, 6-0 | | match details | ||
| 18.08.10 | 1st round | Caio Zampieri | Guilherme Clezar | 6-3, 1-6, 6-4 | | match details | Salvador Challenger | Hard |
| 09.08.10 | 1st round | David Guez | Guilherme Clezar | 3-6, 6-3, 6-1 | | match details | Brasilia Challenger | Hard |
| 03.08.10 | 1st round | Ricardo Mello | Guilherme Clezar | 6-4, 7-65 | | match details | Campos do | Hard |
| 28.01.10 | 1/4 | Sean Berman | Guilherme Clezar | 6-4, 6-2 | | match details | Australian Open | Hard |
| 27.01.10 | 3rd round | Guilherme Clezar | Kalle Averfalk | 6-2, 7-63 | | match details | ||
| 26.01.10 | 2nd round | Guilherme Clezar | Maverick Banes | 6-4, 6-3 | | match details | ||
| 24.01.10 | 1st round | Guilherme Clezar | Jack Carpenter | 6-2, 6-4 | | match details | ||
| 08.09.09 | 1st round | Marton Fucsovics | Guilherme Clezar | 6-3, 6-4 | | match details | U.S. Open | Hard |
