Stadium: C Round: 25 Ground: Clay
| Challenger Nanchang | 2018/04/16 03:00 | Tsung-Hua Yang v Laurynas Grigelis | 0-6,7-6,6-3 |
| Challenger Shenzhen | 2014/04/22 02:00 | Tsung-Hua Yang v Laurynas Grigelis | 4-6,7-6,6-4 |
| Challenger Samarkand | 2018/05/18 06:00 | Luca Vanni v Tsung-Hua Yang | 6-2,6-4 |
| Challenger Samarkand | 2018/05/17 10:00 | Aldin Setkic v Tsung-Hua Yang | 2-6,3-6 |
| Challenger Samarkand | 2018/05/15 08:20 | Farrukh Dustov v Tsung-Hua Yang | 1-6,3-6 |
| Challenger Karshi | 2018/05/09 05:30 | Carlos Boluda-Purkiss v Tsung-Hua Yang | 6-4,5-7,7-6 |
| Challenger Karshi | 2018/05/08 06:45 | Alessandro Bega v Tsung-Hua Yang | 4-6,4-6 |
| Challenger Seoul | 2018/05/04 03:00 | Jordan Thompson v Tsung-Hua Yang | 6-1,6-3 |
| Challenger Seoul | 2018/05/03 01:30 | Tsung-Hua Yang v Jason Jung | 6-4,7-5 |
| Challenger Seoul | 2018/05/01 06:30 | Renta Tokuda v Tsung-Hua Yang | 1-6,2-6 |
| Challenger Nanchang | 2018/04/16 03:00 | Tsung-Hua Yang v Laurynas Grigelis | 0-6,7-6,6-3 |
| Challenger Taipei | 2018/04/11 03:00 | Laurynas Grigelis v Tatsuma Ito | 7-6,4-6,3-6 |
| Davis Cup | 2018/04/08 12:15 | Emil Ruusuvuori v Laurynas Grigelis | 7-5,6-2 |
| Davis Cup | 2018/04/07 13:00 | Harri Heliovaara v Laurynas Grigelis | 6-3,1-6,6-3 |
| Challenger St Brieuc | 2018/03/27 13:05 | Laurynas Grigelis v Stephane Robert | 4-6,6-7 |
| Challenger St Brieuc Qual | 2018/03/26 08:30 | Laurynas Grigelis v Tak Khunn Wang | 3-6,6-3,7-6 |
| Challenger St Brieuc Qual | 2018/03/25 11:45 | Laurynas Grigelis v Jonathan Kanar | 6-1,6-3 |
| Challenger St Brieuc Qual | 2018/03/24 15:10 | Laurynas Grigelis v Mick Lescure | 6-7,6-2,6-0 |