| Challenger Sao Paulo | 11/25 15:40 | 26 | [295] Roberto Quiroz v Dmitry Popko [172] | 1-6,1-6 | |
| Challenger Sao Paulo | 11/23 13:30 | 25 | [350] Facundo Arguello v Roberto Quiroz [295] | 7-6,3-6,1-6 | |
| Challenger Guayaquil | 11/17 17:40 | 25 | [333] Sebastian Baez v Roberto Quiroz [295] | 7-5,7-6 | |
| ITF - Fayetteville M15 | 11/08 17:00 | 29 | Alexis Galarneau v Roberto Quiroz | 6-2,6-1 | |
| ITF - Fayetteville M15 | 11/07 16:20 | 28 | Liam Draxl v Roberto Quiroz | 5-7,6-2,3-6 | |
| ITF - Fayetteville M15 | 11/06 19:30 | 27 | [394] Martin Damm v Roberto Quiroz [293] | 4-6,5-7 | |
| ITF - Fayetteville M15 | 11/05 15:50 | 26 | Trent Bryde v Roberto Quiroz | 3-6,7-5,3-6 | |
| ITF - Fayetteville M15 | 11/03 20:50 | 25 | Sam Riffice v Roberto Quiroz | 2-6,6-7 | |
| Puchar Davisa | 03/07 05:30 | 45 | Go Soeda v Roberto Quiroz | Cancelled | |
| Puchar Davisa | 03/06 05:10 | 45 | [90] Yasutaka Uchiyama v Roberto Quiroz [276] | 6-7,6-2,6-7 | |
| Challenger Columbus | 02/27 19:45 | 26 | [163] Jeffrey John Wolf v Roberto Quiroz [275] | 6-2,4-6,6-2 | |
| Challenger Columbus | 02/25 17:25 | 25 | [275] Roberto Quiroz v Andrew Harris [188] | 7-6,4-6,6-1 | |
| Challenger Columbus | 02/24 15:00 | 24 | John McNally v Roberto Quiroz | 6-7,6-7 | |
| Challenger Morelos | 02/20 16:30 | 26 | [266] Roberto Quiroz v Guilherme Clezar [297] | 6-7,2-6 | |
| Challenger Morelos | 02/19 17:40 | 25 | [266] Roberto Quiroz v Benjamin Lock [443] | 6-2,5-7,6-1 | |
| Challenger Cleveland | 02/12 18:20 | 25 | [106] Denis Kudla v Roberto Quiroz [264] | 7-5,6-4 | |
| Challenger Cleveland | 02/10 17:10 | 24 | [294] Manuel Guinard v Roberto Quiroz [264] | 5-7,1-6 | |
| Challenger Dallas | 02/05 20:40 | 25 | [262] Roberto Quiroz v Bradley Klahn [123] | 6-7,4-6 | |
| Challenger Dallas | 02/04 16:00 | 24 | [127] Hunter Reese v Roberto Quiroz [262] | 6-7,5-7 | |
| Challenger Newport Beach | 01/29 22:10 | 25 | Roberto Quiroz v Steve Johnson | 3-6,2-6 | |
| Challenger Newport Beach | 01/28 22:10 | 24 | [258] Roberto Quiroz v Gonzalo Escobar [310] | Retired | |
| Challenger Ann Arbor | 01/10 16:00 | 27 | [259] Roberto Cid Subervi v Roberto Quiroz [264] | 6-4,6-4 | |
| Challenger Ann Arbor | 01/09 20:30 | 26 | [300] Nino Serdarusic v Roberto Quiroz [264] | 5-7,6-7 | |
| Challenger Ann Arbor | 01/08 18:10 | 25 | [458] Tobias Simon v Roberto Quiroz [264] | 4-6,7-6,6-7 | |
| Challenger Knoxville | 11/04 19:25 | 24 | [267] Roberto Quiroz v Dmitry Popko [189] | 7-6,2-6,3-6 | |
| Challenger Guayaquil | 11/01 00:35 | 26 | [268] Roberto Quiroz v Leonardo Mayer [94] | 3-6,4-6 | |
| Challenger Guayaquil | 10/29 23:00 | 25 | [179] Mario Vilella Martinez v Roberto Quiroz [268] | 7-6,5-7,2-6 | |
| Challenger Guayaquil | 10/29 00:50 | 24 | [194] Joao Menezes v Roberto Quiroz [268] | 2-6,2-6 | |
| Challenger Lima | 10/23 16:35 | 25 | [266] Roberto Quiroz v Andrea Collarini [202] | 4-6,3-6 | |
| Challenger Lima | 10/21 16:30 | 24 | [386] Maxime Chazal v Roberto Quiroz [266] | 3-6,4-6 |
Wikipedia - Roberto Quiroz
Roberto Quiroz (ur. 23 lutego 1992 w Guayaquil) – ekwadorski tenisista, reprezentant kraju w Pucharze Davisa.