Stadium: Centre Court Round: 46
| Challenger Loughborough Qual | 2018/05/19 09:00 | Joshua Rose v Simon Carr | 4-6,1-6 |
| ITF Israel F5 | 2018/05/01 10:35 | Simon Carr v Nikolas Sanchez Izquierdo | 4-6,3-6 |
| ITF Israel F4 | 2018/04/25 09:20 | Alessandro Bega v Simon Carr | 6-3,7-6 |
| ITF France F7 | 2018/04/17 09:00 | Tak Khunn Wang v Simon Carr | 6-3,6-1 |
| Davis Cup | 2018/04/07 12:10 | Casper Ruud v Simon Carr | 6-2,6-1 |
| ITF Tunisia F12 | 2018/03/28 08:30 | Simon Carr v Dante Gennaro | 2-6,1-6 |
| Challenger Lille Qual | 2018/03/17 13:15 | Simon Carr v Dzmitry Zhyrmont | 6-3,5-7,6-7 |
| ITF Greece F1 | 2018/03/01 09:50 | Antal Van Der Duim v Simon Carr | 6-1,6-3 |
| Challenger Loughborough Qual | 2018/05/19 09:00 | Remi Boutillier v Frederik Nielsen | 7-6,6-7,1-6 |
| Challenger Busan Qual | 2018/05/14 03:30 | Yosuke Watanuki v Frederik Nielsen | 1-6,6-4,6-0 |
| Challenger Busan Qual | 2018/05/13 04:10 | Frederik Nielsen v Wishaya Trongcharoenchaikul | 6-7,6-4,6-0 |
| Challenger Seoul Qual | 2018/04/28 04:30 | Yong-Kyu Lim v Frederik Nielsen | 6-4,6-1 |
| Davis Cup | 2018/04/07 10:00 | Frederik Nielsen v Karim-Mohamed Maamoun | 6-3,3-6,6-7 |
| Challenger Drummondville Qual | 2018/03/12 22:55 | Frederik Nielsen v Aleksandar Vukic | 2-6,4-6 |
| Challenger Drummondville Qual | 2018/03/11 17:15 | Frederik Nielsen v Pavel Krainik | View |
| ITF Canada F2 | 2018/03/06 15:00 | Frederik Nielsen v Jared Hiltzik | 4-6,6-4,2-6 |