Guilherme Clezar (#no-rank)
| atpworldtour.com | ATP | Country |  Unknown |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | 153 - 2015-08-03 | Résidence | Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Clay | 5 | 3 | 62.50% |
| Hard (out.) | 0 | 1 | 0.00% |
| TOTAL | 5 | 4 | 55.56% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2020-09-21 | Challenger |  Forli Challenger | Clay | QF | #273 | #341 Andrea Pellegrino | 6/4 6/2 | |
| 2 | 2020-09-21 | Challenger | Forli Challenger | Clay | 8e | #273 |  #104 Federico Coria | 7/6(6) 6/7(4) 6/4 | |
| 3 | 2020-09-21 | Challenger | Forli Challenger | Clay | 16e | #273 |  #272 Matthias Bachinger | 7/6(8) 3/6 6/3 | |
| 4 | 2019-08-19 | Challenger | L'Aquila Challenger | Clay | QF | #359 |  #136 Andrej Martin | 3/6 7/6(2) 6/4 | |
| 5 | 2019-08-19 | Challenger | L'Aquila Challenger | Clay | 8e | #359 | #278 Facundo Mena | 6/7(3) 6/4 6/4 | |
| 6 | 2019-08-19 | Challenger | L'Aquila Challenger | Clay | 16e | #359 |  #270 Aslan Karatsev | 7/5 6/4 | |
| 7 | 2019-08-19 | Challenger | L'Aquila Challenger | Clay | 32e | #359 | #122 Ante Pavic | 6/3 6/2 | |
| 8 | 2019-06-24 | Challenger | Milan Challenger | Clay | 32e | #290 |  #296 Nino Serdarusic | 7/6(2) 6/4 | |
| 9 | 2016-08-29 | GS |  US Open | Hard (out.) | 64e | #203 |  #144 Marco Chiudinelli | 2/6 7/6(6) 6/2 6/4 |
LLTL
ATP
WTA/Double
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Race
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Mega Patate
Big Lose
Clay 
Grass 
Hard indoor 
Hard outdoor 
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