Stadium: Center Court Round: 27 Ground: Hardcourt outdoor
| ITF M25 Chiswick | 2019/08/10 12:30 | Anton Matusevich v Igor Sijsling | 6-4,1-6,4-6 |
| ITF M25 Chiswick | 2019/08/09 10:30 | Anton Matusevich v Julian Ocleppo | 6-4,6-2 |
| ITF M25 Chiswick | 2019/08/08 13:40 | Ryan Peniston v Anton Matusevich | 5-7,1-6 |
| ITF M25 Chiswick | 2019/08/06 12:55 | Andrew Watson v Anton Matusevich | 4-6,6-2,4-6 |
| ITF M25 Roehampton | 2019/07/31 15:40 | Mark Whitehouse v Anton Matusevich | 7-6,7-6 |
| ITF M25 Roehampton | 2019/07/31 10:50 | Anton Matusevich v Ewan Moore | 7-6,6-4 |
| ITF M25 Sunderland | 2019/04/10 09:00 | Anton Matusevich v Gijs Brouwer | 5-7,2-6 |
| ITF M25 Sunderland | 2019/04/08 16:00 | Patrik Hartmeier v Anton Matusevich | 4-6,1-6 |
| ITF M15 Sintra | 2019/08/23 11:10 | Tiago Cacao v Yannick Mertens | 3-6,7-6,6-7 |
| ITF M15 Sintra | 2019/08/22 09:00 | Stuart Parker v Yannick Mertens | 6-4,3-6,2-6 |
| ITF M15 Sintra | 2019/08/21 14:20 | Quentin Gueydan v Yannick Mertens | 1-6,1-6 |
| Challenger Granby | 2019/07/24 15:35 | Andrew Harris v Yannick Mertens | 6-1,6-1 |
| Challenger Granby | 2019/07/23 14:00 | Yannick Mertens v Kooros Ghasemi | 6-2,6-0 |
| ATP Bastad | 2019/07/14 10:00 | Yannick Mertens v Roberto Quiroz | 1-6,2-6 |
| ITF M25 Ajaccio | 2019/07/11 15:00 | Laurent Lokoli v Yannick Mertens | 6-1,6-4 |
| ITF M25 Ajaccio | 2019/07/10 15:40 | Alexandre Peyrot v Yannick Mertens | 6-3,3-6,6-7 |