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: 625196 $
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: 625196 $
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 / scheduled / last
| no matches found |
Guilherme Clezar form / year 2020
Guilherme Clezar / year 2020
| 01.12.20 | 1st round | Facundo Mena | Guilherme Clezar | 6-4, 6-4 |  | match details |  Campinas Challenger | Clay |
| 10.11.20 | 1st round | Thiago Moura Monteiro | Guilherme Clezar | 7-65, 3-2, Guilherme Clezar - retired | | match details |  Cary Challenger | Hard |
| 16.10.20 | 1/4 | Federico Gaio | Guilherme Clezar | 5-7, 6-4, 7-64 | | match details |  Lisbon Challenger | Clay |
| 15.10.20 | 2nd round | Guilherme Clezar | Nuno Borges | 6-3, 7-65 |  | match details | ||
| 13.10.20 | 1st round | Guilherme Clezar | Maxime Janvier | 7-68, 6-2 | | match details | ||
| 11.10.20 | qual. | Guilherme Clezar | Orlando Luz | 6-4, 6-3 | | match details | ||
| 10.10.20 | q 1 | Guilherme Clezar | Joao Monteiro | 6-75, 6-4, 6-1 | | match details | ||
| 03.10.20 | q 1 | Brandon Nakashima | Guilherme Clezar | 6-2, 6-2 | | match details |  Barcelona Challenger | Clay |
| 27.09.20 | qual. | Tomas Barrios Vera | Guilherme Clezar | 6-2, 6-3 | | match details |  Split Challenger | Clay |
| 26.09.20 | q 1 | Guilherme Clezar | Duje Kekez | 6-2, 6-3 | | match details | ||
| 24.09.20 | 1/4 | Andrea Pellegrino | Guilherme Clezar | 6-4, 6-2 | | match details |  Forli Challenger | Clay |
| 23.09.20 | 2nd round | Guilherme Clezar | Federico Coria | 7-66, 6-74, 6-4 | | match details | ||
| 21.09.20 | 1st round | Guilherme Clezar | Matthias Bachinger | 7-68, 3-6, 6-3 | | match details | ||
| 18.09.20 | 1/4 | Igor Sijsling | Guilherme Clezar | 6-4, 6-4 | | match details |  M25+H Plaisir | I. hard |
| 17.09.20 | 2nd round | Guilherme Clezar | Valentin Royer | 6-77, 7-65, 6-4 | | match details | ||
| 16.09.20 | 1st round | Guilherme Clezar | Alexis Gautier | 6-4, 6-4 | | match details | ||
| 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 | ||
| 27.02.20 | 3rd round | Denis Istomin | Guilherme Clezar | 6-3, 6-1 | | match details | Columbus Challenger | I. hard |
| 26.02.20 | 2nd round | Guilherme Clezar | Jason Murray Kubler | 2-6, 7-61, 6-4 | | match details | ||
| 25.02.20 | 1st round | Guilherme Clezar | Justin Boulais | 6-4, 6-2 | | 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 | ||
| 12.02.20 | 2nd round | Ernesto Escobedo | Guilherme Clezar | 6-3, 6-4 | | match details | Cleveland Challenger | I. hard |
| 10.02.20 | 1st round | Guilherme Clezar | John-Patrick Smith | 6-3, 2-6, 7-63 | | match details | ||
| 31.01.20 | 1/4 | Thiago Moura Monteiro | Guilherme Clezar | 6-4, 6-1 | | match details |  Punta Del | Clay |
| 30.01.20 | 3rd round | Guilherme Clezar | Federico Coria | 7-5, 4-6, 7-5 | | match details | ||
| 28.01.20 | 2nd round | Guilherme Clezar | Andrea Collarini | 7-66, 7-63 | | match details | ||
| 27.01.20 | 1st round | Guilherme Clezar | Pedro Cachin | 6-4, 7-60 | | match details |