| Challenger Guayaquil | 11/02 21:15 | 25 | [289] Roberto Quiroz v Juan Bautista Torres [234] | 3-6,6-7 | |
| Challenger Ambato | 10/18 18:00 | 25 | [280] Roberto Quiroz v Jorge Panta [464] | 6-1,4-6,2-6 | |
| Challenger Fairfield | 10/12 00:30 | 25 | [273] Roberto Quiroz v Enzo Couacaud [184] | 6-7,6-4,1-6 | |
| Challenger Tiburon | 10/03 23:30 | 25 | [177] Ben Shelton v Roberto Quiroz [263] | 3-6,6-2,7-6 | |
| Challenger Charleston | 10/01 14:00 | 26 | Roberto Quiroz v Patrick Kypson | Cancelled | |
| Challenger Charleston | 09/27 20:25 | 25 | [267] Roberto Quiroz v Cannon Kingsley [488] | 6-4,7-5 | |
| Challenger Columbus | 09/21 14:00 | 25 | [188] Enzo Couacaud v Roberto Quiroz [265] | 6-3,7-5 | |
| Puchar Davisa | 09/18 22:00 | 5 | [260] Roberto Quiroz v Alexander Ritschard [163] | 1-6,2-6 | |
| Puchar Davisa | 09/18 20:40 | 1 | Roberto Quiroz v Henri Laaksonen | Cancelled | |
| Puchar Davisa | 09/17 17:00 | 5 | [260] Roberto Quiroz v Marc-Andrea Huesler [87] | 4-6,2-6 | |
| Challenger Santo Domingo | 08/17 02:20 | 25 | [235] Alessandro Giannessi v Roberto Quiroz [256] | Retired | |
| Challenger Lima | 08/10 23:00 | 26 | [94] Tomas Martin Etcheverry v Roberto Quiroz [255] | 6-2,6-3 | |
| Challenger Lima | 08/09 17:40 | 25 | [255] Roberto Quiroz v Orlando Luz [370] | 3-6,6-4,6-2 | |
| Challenger Lexington | 08/05 17:15 | 27 | [267] Roberto Quiroz v Aleksandar Kovacevic [229] | 6-4,3-6,4-6 | |
| Challenger Lexington | 08/04 17:20 | 26 | [194] Gijs Brouwer v Roberto Quiroz [267] | 4-6,4-6 | |
| Challenger Lexington | 08/01 17:25 | 25 | [403] Yunseong Chung v Roberto Quiroz [267] | 2-6,7-5,1-6 | |
| Challenger Winnipeg | 07/25 20:25 | 25 | [266] Roberto Quiroz v Kaichi Uchida [177] | 1-6,7-6,3-6 | |
| Challenger Rome GA | 07/15 14:00 | 26 | Roberto Quiroz v Juan Pablo Ficovich | Walkover | |
| Challenger Rome GA | 07/12 16:45 | 25 | [353] Keegan Smith v Roberto Quiroz [278] | 6-4,1-6,1-6 | |
| Challenger Bogota | 07/08 21:50 | 27 | [305] Roberto Quiroz v Juan Pablo Ficovich [163] | 3-6,6-3,3-6 | |
| Challenger Bogota | 07/06 19:05 | 26 | [286] Gonzalo Villanueva v Roberto Quiroz [305] | 5-7,4-6 | |
| Challenger Bogota | 07/05 15:00 | 25 | [305] Roberto Quiroz v Michail Pervolarakis [377] | 6-3,7-5 | |
| Challenger Cali | 06/29 15:00 | 26 | [305] Roberto Quiroz v Nicolas Alvarez [369] | 6-4,3-6,3-6 | |
| Challenger Cali | 06/28 20:40 | 25 | [213] Francisco Comesana v Roberto Quiroz [305] | Retired | |
| Challenger Buenos Aires | 06/22 13:00 | 26 | [301] Roberto Quiroz v Joao Lucas Reis da Silva [492] | 6-4,1-6,2-6 | |
| Challenger Buenos Aires | 06/20 18:45 | 25 | Roberto Quiroz v Ignacio Monzon | 6-1,6-4 | |
| Challenger Buenos Aires | 06/20 13:00 | 25 | Roberto Quiroz v Gustavo Heide | Cancelled | |
| Challenger Orlando | 06/10 18:35 | 27 | [335] Roberto Quiroz v Emilio Gomez [155] | Retired | |
| Challenger Orlando | 06/08 14:00 | 26 | Roberto Quiroz v Matija Pecotic | 7-5,7-6 | |
| Challenger Orlando | 06/06 21:35 | 25 | [180] Michael Mmoh v Roberto Quiroz [335] | 5-7,3-6 |
Wikipedia - Roberto Quiroz
Roberto Quiroz (ur. 23 lutego 1992 w Guayaquil) – ekwadorski tenisista, reprezentant kraju w Pucharze Davisa.