Stadium: Stadium Court Round: 25 Ground: Hardcourt outdoor
| Challenger Lille Qual | 2018/03/17 15:55 | Laurynas Grigelis v Charles Bertimon | 6-2,6-4 |
| ITF Tunisia F9 | 2018/03/09 09:00 | Laurynas Grigelis v Jonathan Kanar | 5-7,1-6 |
| ITF Tunisia F9 | 2018/03/08 10:45 | Laurynas Grigelis v Diego Hidalgo | 7-6,6-2 |
| ITF Tunisia F9 | 2018/03/07 09:00 | Laurynas Grigelis v Conor Berg | 6-3,6-2 |
| ITF Italy F1 | 2018/03/04 09:00 | Maximilian Neuchrist v Laurynas Grigelis | 4-6,4-6 |
| ITF Italy F1 | 2018/03/03 14:40 | Laurynas Grigelis v Remi Boutillier | 6-3,6-1 |
| ITF Italy F1 | 2018/03/02 17:10 | Gregoire Barrere v Laurynas Grigelis | 3-6,4-6 |
| ITF Italy F1 | 2018/03/01 16:20 | Francesco Forti v Laurynas Grigelis | 2-6,4-6 |
| Challenger Shenzhen | 2018/03/13 03:10 | Go Soeda v Salvatore Caruso | 4-6,6-4,4-6 |
| Challenger Zhuhai | 2018/03/06 03:20 | Salvatore Caruso v Go Soeda | 6-3,6-4 |
| Challenger Yokohama | 2018/03/02 03:45 | Go Soeda v Yasutaka Uchiyama | 6-4,6-7,3-6 |
| Challenger Yokohama | 2018/03/01 03:55 | Go Soeda v Di Wu | 7-6,6-3 |
| Challenger Yokohama | 2018/02/27 01:00 | Go Soeda v Kaito Itsusaki | 6-0,6-2 |
| Challenger Kyoto | 2018/02/23 04:20 | Go Soeda v Blake Ellis | 3-6,7-5,5-7 |
| Challenger Kyoto | 2018/02/21 04:00 | Go Soeda v Andrew Whittington | 6-4,6-1 |
| Challenger Kyoto | 2018/02/19 04:50 | Go Soeda v Yosuke Watanuki | 7-6,0-6,7-6 |