Stadium: C Round: 25 Ground: Clay
| ITF Singapore F3 | 2018/05/28 05:00 | Cheng-Yu Yu v Jacob Grills | 7-6,3-6,3-6 |
| ITF Singapore F2 | 2018/05/22 02:00 | Jacob Grills v Kazuki Nishiwaki | 3-6,6-3,5-7 |
| Challenger Busan Qual | 2018/05/12 02:35 | Jacob Grills v Renta Tokuda | 7-6,5-7,3-6 |
| Challenger Gimcheon Qual | 2018/05/06 07:10 | Yoshihito Nishioka v Jacob Grills | 6-2,0-6,7-6 |
| Challenger Gimcheon Qual | 2018/05/05 05:20 | Jacob Grills v Jung-Woong Na | 5-7,6-4,6-3 |
| Challenger Seoul Qual | 2018/04/30 05:00 | Renta Tokuda v Jacob Grills | 6-3,6-2 |
| Challenger Seoul Qual | 2018/04/29 04:15 | Jae Hwan Kim v Jacob Grills | 6-4,2-6,4-6 |
| Challenger Taipei | 2018/04/10 11:50 | Jason Jung v Jacob Grills | 6-0,6-3 |
| ITF Tunisia F24 Qual | 2017/06/17 10:00 | Christian Langmo v Juan P G Mazzuchi | 3-6,6-7 |
| ITF Tunisia F23 | 2017/06/10 09:00 | Christian Langmo v Moritz Trocker | 2-6,5-7 |
| ITF Tunisia F22 | 2017/06/05 09:00 | Christian Langmo v Hugo Pontico | 1-6,2-6 |
| ITF Tunisia F22 | 2017/06/04 09:00 | Kody Pearson v Christian Langmo | 3-6,6-4,5-7 |
| ITF Tunisia F22 | 2017/06/03 09:00 | Moritz Trocker v Christian Langmo | 1-6,2-6 |
| ITF USA F3 | 2017/01/06 16:30 | Christian Langmo v Noah Schachter | 3-6,5-7 |
| ITF USA F20 Qual | 2016/06/18 19:30 | Boris Kozlov v Christian Langmo | 2-6,6-4,6-4 |
| ITF USA F19 Qual | 2016/06/13 15:00 | Andrew Watson v Christian Langmo | 6-3,6-3 |