Stadium: Court 11 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Doha | 2023/01/16 12:00 | Denis Klok v Guy Den Heijer | 6-2,3-6,10-5 |
| ITF M25 Doha | 2023/01/15 14:15 | Adel Ghanim v Guy Den Heijer | 0-6,1-6 |
| ITF M15 Doha | 2023/01/12 13:15 | Guy Den Heijer v Kristjan Tamm | 4-6,6-7 |
| ITF M15 Doha | 2023/01/11 12:00 | Samir Hamza Reguig v Guy Den Heijer | 3-6,1-6 |
| ITF M15 Doha | 2023/01/10 12:00 | Guy Den Heijer v Arslanbek Aitkulov | 6-2,7-5 |
| ITF M25 Oldenzaal | 2022/08/25 16:55 | Max Houkes v Guy Den Heijer | 6-1,6-3 |
| ITF M25 Oldenzaal | 2022/08/24 11:50 | Thijmen Loof v Guy Den Heijer | 3-6,5-7 |
| ITF M15 Alkmaar | 2022/06/21 18:00 | Guy Den Heijer v Jose Fco. Vidal Azorin | 2-6,2-6 |
| ITF M25 Doha | 2023/01/18 13:45 | Aleksandre Bakshi v Prajnesh Gunneswaran | 7-6,6-2 |
| ITF M25 Doha | 2023/01/17 16:15 | Tibo Colson v Prajnesh Gunneswaran | 4-6,0-6 |
| Challenger Nonthaburi | 2023/01/11 03:00 | Prajnesh Gunneswaran v Arthur Cazaux | 7-6,6-7,3-6 |
| Challenger Nonthaburi | 2023/01/09 08:25 | Zdenek Kolar v Prajnesh Gunneswaran | 3-6,3-6 |
| ATP Pune | 2022/12/31 05:30 | Maximilian Marterer v Prajnesh Gunneswaran | 7-6,3-6,7-5 |
| Challenger Yokkaichi | 2022/11/22 05:15 | Kaichi Uchida v Prajnesh Gunneswaran | 6-3,1-6,6-3 |
| Challenger Champaign | 2022/11/18 17:00 | Prajnesh Gunneswaran v Ben Shelton | 3-6,5-7 |
| Challenger Champaign | 2022/11/16 17:25 | Prajnesh Gunneswaran v Sebastian Fanselow | 3-6,6-2,7-5 |