Stadium: Tourlaville Round: 27 Ground: Hardcourt indoor
| Challenger - Cherbourg - Doubles Hommes | 2024/02/13 12:50 | Freund/Ingildsen v Nijboer/Schell | 4-6,6-3,8-10 |
| Challenger - Cherbourg - Doubles Hommes | 2024/02/14 09:00 | Bertola/Ricca v Kolar/Walkow | 3-6,5-7 |
| Challenger - Nottingham - Doubles Hommes | 2024/02/07 16:00 | Kolar/Walkow v Lamasine/Martineau | 2-6,4-6 |
| Challenger Istanbul MD | 2021/01/21 11:00 | Glasspool/Heliovaara v Kolar/Walkow | 6-4,6-3 |
| Challenger Istanbul MD | 2021/01/19 15:05 | Martinez / Vega v Kolar/Walkow | 3-6,7-6,8-10 |
| Challenger - Quimper - Doubles Hommes | 2020/01/30 17:55 | Kolar/Walkow v Raja P / Shamasdin A | 4-6,5-7 |
| Challenger - Quimper - Doubles Hommes | 2020/01/28 17:00 | Miedler L / Moraing M v Kolar/Walkow | 2-6,5-7 |
| Challenger Tashkent MD | 2018/10/09 08:00 | Margaroli L / Weissborn T-S v Kolar/Walkow | 6-4,6-7,10-7 |