Stadium: Court 2 Round: 64 Ground: Clay
| Anning, China | 2019/04/21 06:00 | Jay Clarke v Gunneswaran, Prajnesh | 6-4,6-3 |
| Anning, China | 2019/04/20 04:00 | Kamil Majchrzak v Gunneswaran, Prajnesh | 6-7,7-6,4-6 |
| Anning, China | 2019/04/19 05:30 | Nikola Milojevic v Gunneswaran, Prajnesh | 5-7,3-6 |
| Anning, China | 2019/04/18 05:50 | Pavlasek, Adam v Gunneswaran, Prajnesh | 5-7,3-6 |
| Anning, China | 2019/04/16 07:10 | Myneni, Saketh v Gunneswaran, Prajnesh | 2-6,4-6 |
| ATP - Miami | 2019/03/21 21:15 | Jaume Munar v Gunneswaran, Prajnesh | 7-6,6-4 |
| ATP - Miami | 2019/03/20 16:45 | Gunneswaran, Prajnesh v Jay Clarke | 6-4,6-4 |
| ATP - Miami | 2019/03/18 21:10 | Gunneswaran, Prajnesh v Menendez-Maceiras, Adrian | 6-2,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/26 12:15 | Pedro Vives Marcos v Erler, Alexander | 7-5,6-2 |
| ITF - M15 Antalya | 2019/03/20 07:15 | Dimitar Kuzmanov v Erler, Alexander | 6-0,6-1 |
| ITF - M25 Trente | 2019/02/27 13:50 | Dubrivnyy, Artem v Erler, Alexander | 6-4,6-3 |
| ITF - M15 Sharm El Sheikh | 2019/02/08 08:00 | Michiel de Krom v Erler, Alexander | 6-4,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/02/07 12:30 | Vit Kopriva v Erler, Alexander | 3-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2019/02/05 08:00 | Erler, Alexander v Manafov, Vladyslav | 4-6,6-2,6-3 |
| ITF - M15 Sharm El Sheikh | 2019/01/30 08:00 | Chun Hsin Tseng v Erler, Alexander | 7-6,6-2 |
| ITF - M25 Nussloch | 2019/01/26 14:05 | Erler, Alexander v Botic Van De Zandschulp | 3-6,3-6 |