Stadium: Court 2 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Zlatibor | 2019/09/19 09:30 | Ljubomir Celebic v Karlo Kranic | 4-6,5-7 |
| ITF M15 Zlatibor | 2019/09/18 10:35 | Ljubomir Celebic v Kristijan Juhas | 6-2,6-2 |
| Davis Cup | 2019/09/14 10:25 | Ugo Nastasi v Ljubomir Celebic | 3-6,1-6 |
| Davis Cup | 2019/09/13 09:20 | Ljubomir Celebic v Gorazd Srbljak | 6-3,3-6,6-3 |
| Davis Cup | 2019/09/12 09:25 | Jurgen Zopp v Ljubomir Celebic | 6-2,4-6,6-4 |
| Davis Cup | 2019/09/11 09:40 | Martins Podzus v Ljubomir Celebic | 6-4,6-3 |
| ITF M15 Novi Sad | 2019/08/08 08:00 | Miljan Zekic v Ljubomir Celebic | 6-4,4-6,5-7 |
| ITF M15 Novi Sad | 2019/08/07 12:55 | Ljubomir Celebic v Conner Huertas Del Pino | 6-3,1-6,6-0 |
| ITF M15 Oldenzaal | 2019/08/14 08:00 | Lodewijk Weststrate v Pelle Boerma | 5-7,6-7 |
| ITF M15 Alkmaar | 2019/06/26 13:55 | Lodewijk Weststrate v Alec Deckers | 1-6,6-7 |
| ITF Egypt F28 | 2018/11/18 08:00 | Jordi Munoz-Abreu v Lodewijk Weststrate | 6-2,6-1 |
| ITF Egypt F27 | 2018/11/14 11:35 | Lodewijk Weststrate v Johan Nikles | 6-3,5-7,2-6 |
| ITF Egypt F27 Qual | 2018/11/12 08:00 | Tom Pisane v Lodewijk Weststrate | 2-6,4-6 |
| ITF Egypt F27 Qual | 2018/11/11 08:00 | Lodewijk Weststrate v Viacheslav Yulik | 6-4,6-4 |
| ITF Egypt F27 Qual | 2018/11/10 08:00 | Mattia Rossi v Lodewijk Weststrate | 2-6,4-6 |
| ITF Germany F9 | 2018/07/22 08:00 | Tim Sandkaulen v Lodewijk Weststrate | 6-2,7-6 |