Stadium: Court 7 Round: 26 Ground: Clay
| ITF USA F9 | 2018/04/04 15:00 | Karue Sell v Redlicki, Michael | 6-2,6-2 |
| ITF USA F8 | 2018/03/23 18:40 | Marcos Giron v Karue Sell | 6-4,6-1 |
| ITF USA F8 | 2018/03/20 17:00 | Karue Sell v Song, Evan | 6-2,6-1 |
| USA F7, Singles Qualifying | 2018/03/15 20:55 | Karue Sell v Gojo, Borna | 6-4,4-6,5-7 |
| USA F7, Singles Qualifying | 2018/03/14 23:30 | Rodriguez-Pace, Ricardo v Karue Sell | 3-6,2-6 |
| Challenger San Francisco | 2018/02/06 22:30 | Karue Sell v Daniel Elahi Galan | 6-7,6-3,3-6 |
| San Francisco, USA, Qualifying | 2018/02/04 22:20 | Cungu, Rrezart v Karue Sell | 3-6,1-6 |
| San Francisco, USA, Qualifying | 2018/02/03 23:30 | Francesco Ferrari v Karue Sell | 1-6,7-6,3-6 |
| ITF USA F9 | 2018/04/03 15:40 | Ram-Harel, Or v Mertens, Yannick | 4-6,6-3,1-6 |
| Challenger Le Gosier | 2018/03/27 20:55 | Mertens, Yannick v Bemelmans, Ruben | 5-7,1-6 |
| Challenger - Lille | 2018/03/20 18:05 | Olaso, Guillermo v Mertens, Yannick | 5-7,6-1,6-3 |
| ITF Israel F1 | 2018/03/08 08:00 | Mertens, Yannick v Gianluca Mager | 7-5,6-3 |
| ITF Israel F1 | 2018/03/07 09:40 | Mertens, Yannick v Ferrando, Nicolas | 6-2,6-2 |
| ITF Israel F1 | 2018/03/06 11:35 | Mertens, Yannick v Niklas-Salminen, Patrick | 6-3,6-3 |
| ITF Portugal F1 | 2018/02/24 13:05 | Mertens, Yannick v Cacao, Tiago | 3-6,6-4,4-6 |
| ITF Portugal F1 | 2018/02/23 11:25 | Mertens, Yannick v Ribeiro Marcondes, Igor | 3-6,6-4,6-1 |