Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| Challenger Taipei Qual | 2018/04/08 07:25 | Toshihide Matsui v Shuichi Sekiguchi | 5-7,6-7 |
| Challenger Taipei Qual | 2018/04/07 08:20 | Vishnu Vardhan v Shuichi Sekiguchi | 4-6,5-7 |
| ITF Japan F4 | 2018/03/27 01:00 | Jacob Grills v Shuichi Sekiguchi | 7-6,4-6,6-3 |
| ITF Japan F3 | 2018/03/22 04:05 | Shuichi Sekiguchi v Sho Katayama | 5-7,6-4,2-6 |
| ITF Japan F3 | 2018/03/19 01:00 | Shuichi Sekiguchi v Jumpei Yamasaki | 6-7,7-6,6-2 |
| ITF Japan F2 | 2018/03/12 02:30 | Seong Chan Hong v Shuichi Sekiguchi | 6-4,1-6,7-6 |
| Challenger Yokohama Qual | 2018/02/24 05:10 | Hiroki Moriya v Shuichi Sekiguchi | 6-2,6-4 |
| Challenger Kyoto Qual | 2018/02/17 06:10 | Yuya Kibi v Shuichi Sekiguchi | 6-3,6-2 |
| Davis Cup | 2018/04/06 14:15 | Adam Pavlasek v Dudi Sela | 3-6,6-3,6-1 |
| ATP - Indian Wells | 2018/03/13 23:55 | Marcos Baghdatis v Dudi Sela | 7-6,6-4 |
| ATP - Indian Wells | 2018/03/11 18:00 | Dudi Sela v Kyle Edmund | 6-4,6-4 |
| ATP - Indian Wells | 2018/03/10 00:10 | Dudi Sela v Peter Gojowczyk | 6-4,6-4 |
| ATP Indian Wells Qual | 2018/03/07 19:00 | Dudi Sela v Evan King | 0-6,3-6 |
| ATP Indian Wells Qual | 2018/03/06 19:00 | Dudi Sela v Noah Rubin | 6-2,6-1 |
| Challenger - Indian Wells | 2018/03/02 20:40 | Taylor Fritz v Dudi Sela | 6-3,6-2 |
| Challenger - Indian Wells | 2018/02/28 23:05 | Ricardo Ojeda Lara v Dudi Sela | 1-6,6-1,4-6 |