Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| Segovia, Spain | 2016/07/26 08:30 | Mertens, Yannick v Vivero Gonzalez, Pablo | 6-4,6-2 |
| ITF Spain F32 | 2014/10/26 10:30 | Mertens, Yannick v Vivero Gonzalez, Pablo | 6-3,7-5 |
| ITF - M15 Sharm El Sheikh | 2019/01/30 12:15 | Mertens, Yannick v Yu Hsiou Hsu | 6-3,6-0 |
| Challenger Rennes | 2019/01/24 15:35 | Elias Ymer v Mertens, Yannick | 6-3,6-4 |
| Challenger Rennes | 2019/01/23 17:05 | Evgeny Karlovskiy v Mertens, Yannick | 3-6,6-7 |
| Challenger Rennes | 2019/01/21 09:00 | Jacq, Gregoire v Mertens, Yannick | 7-5,6-2 |
| ITF - M15 Bressuire | 2019/01/18 13:00 | Mertens, Yannick v Mitjana, Leny | 6-7,5-7 |
| ITF - M15 Bressuire | 2019/01/17 11:00 | Heyman, Christopher v Mertens, Yannick | 3-6,0-6 |
| ITF - M15 Bressuire | 2019/01/16 09:00 | Clement Tabur v Mertens, Yannick | 2-6,3-6 |
| Challenger Columbus | 2019/01/07 15:00 | Gijs Brouwer v Mertens, Yannick | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2019/01/30 12:10 | Khomich, Aleksei v Vivero Gonzalez, Pablo | 2-6,6-3,5-7 |
| ITF - M15 Sharm El Sheikh | 2019/01/27 13:15 | Vivero Gonzalez, Pablo v Karim-Mohamed Maamoun | 7-6,3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2019/01/26 08:00 | Vivero Gonzalez, Pablo v Chun Hsin Tseng | 6-2,6-3 |
| ITF - M15 Sharm El Sheikh | 2019/01/25 08:00 | Kacper Zuk v Vivero Gonzalez, Pablo | 5-7,4-6 |
| ITF - M15 Sharm El Sheikh | 2019/01/24 11:10 | Toby Martin v Vivero Gonzalez, Pablo | 4-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2019/01/23 08:00 | Vivero Gonzalez, Pablo v Daniel Michalski | 6-7,7-6,6-0 |
| Challenger Las Vegas | 2018/10/20 19:35 | Hugo Grenier v Vivero Gonzalez, Pablo | 7-5,3-6,6-3 |
| Challenger Calgary | 2018/10/16 16:00 | Alexis Galarneau v Vivero Gonzalez, Pablo | 6-2,6-4 |