Roberto Quiroz (#no-rank)
| atpworldtour.com | ATP | Country |  Ecuador |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | 172 - 2019-03-18 | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Clay | 1 | 2 | 33.33% |
| Hard (out.) | 3 | 3 | 50.00% |
| TOTAL | 4 | 5 | 44.44% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2021-05-24 | Challenger |  Oeiras 4 Challenger | Clay | 16e | #275 | #296 Nuno Borges | 6/3 6/0 | |
| 2 | 2021-01-07 | 250 |  Delray Beach Open | Hard (out.) | QF | #293 |  #35 Hubert Hurkacz | 6/4 6/4 | |
| 3 | 2021-01-07 | 250 | Delray Beach Open | Hard (out.) | 8e | #293 |  #148 Ivo Karlovic | 6/2 6/4 | |
| 4 | 2021-01-07 | 250 | Delray Beach Open | Hard (out.) | 16e | #293 | #251 Noah Rubin | 7/6(1) 6/3 | |
| 5 | 2020-01-27 | Challenger | Newport Beach Challenger | Hard (out.) | 16e | #258 | #75 Steve Johnson | 6/3 6/2 | |
| 6 | 2020-01-27 | Challenger | Newport Beach Challenger | Hard (out.) | 32e | #258 | #310 Gonzalo Escobar | 5/1 ret. | |
| 7 | 2019-09-02 | Challenger | New Haven CT Open | Hard (out.) | 32e | #246 | #195 Noah Rubin | 7/6(3) 6/4 | |
| 8 | 2018-02-05 | 250 | Ecuador Open Quito | Clay | 8e | #281 |  #21 Albert Ramos-Vinolas | 6/3 3/6 6/3 | |
| 9 | 2018-02-05 | 250 | Ecuador Open Quito | Clay | 16e | #281 |  #112 Yannick Hanfmann | 7/6(5) 6/3 |
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Clay 
Grass 
Hard indoor 
Hard outdoor 
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