Stadium: Center Court Round: 24 Ground: Clay
| ITF Hong Kong F1 | 2017/06/23 02:30 | Jacob Grills v Yecong He | 2-6,6-7 |
| Challenger Kobe | 2018/11/12 02:00 | Jacob Grills v Tung-Lin Wu | 2-6,4-6 |
| Challenger Kobe | 2018/11/11 03:35 | Jacob Grills v Issei Okamura | 1-6,6-4,6-3 |
| Challenger Kobe | 2018/11/10 04:40 | Jacob Grills v Matej Sabanov | 7-6,5-7,6-1 |
| Challenger Canberra 2 | 2018/11/01 23:00 | Maxime Janvier v Jacob Grills | 7-6,6-4 |
| Challenger Canberra 2 | 2018/10/31 00:35 | Sadio Doumbia v Jacob Grills | 6-7,6-3,3-6 |
| Challenger Canberra 2 | 2018/10/29 03:55 | Jacob Grills v Hiroki Moriya | 4-6,6-4,6-1 |
| Challenger Traralgon | 2018/10/22 02:20 | Sebastian Fanselow v Jacob Grills | 6-3,6-3 |
| ITF Australia F8 | 2018/10/12 00:00 | Maverick Banes v Jacob Grills | 6-4,6-2 |
| Challenger Kobe | 2018/11/11 03:25 | Sho Shimabukuro v Yecong He | 6-1,6-3 |
| Challenger Kobe | 2018/11/10 02:00 | Yecong He v Rio Noguchi | 6-4,6-2 |
| Challenger Shenzhen 2 | 2018/10/27 08:25 | Goncalo Oliveira v Yecong He | 6-0,6-3 |
| Challenger Liuzhou | 2018/10/21 02:00 | Matej Sabanov v Yecong He | 6-3,7-6 |
| Challenger Liuzhou | 2018/10/20 04:30 | Yecong He v Ji Sung Nam | 2-6,6-3,6-2 |
| Challenger Ningbo | 2018/10/16 06:00 | Yecong He v Miomir Kecmanovic | 1-6,4-6 |
| ATP Shenzhen | 2018/09/23 06:00 | Ramkumar Ramanathan v Yecong He | 6-1,6-1 |
| Challenger Shanghai | 2018/09/09 05:10 | Yecong He v Jacopo Berrettini | 3-6,6-3,3-6 |