| ITF China F13 | 2018/08/22 03:00 | Казума Кавачи v Рун Ю Жао | 6-1,6-0 |
| ITF China F12 | 2018/08/13 06:00 | Olly Sadler v Рун Ю Жао | 7-5,7-5 |
| ITF Indonesia F3 Qual | 2018/08/04 02:00 | Дхрув Суниш v Рун Ю Жао | 6-0,6-1 |
| ITF China F11 | 2018/07/16 07:25 | Teeradon Tortrakul v Рун Ю Жао | 2-6,6-3,6-3 |
| ITF China F10 Qual | 2018/07/07 02:00 | Yi Zhou Liu v Рун Ю Жао | 6-2,6-2 |
| ITF China F8 | 2018/06/06 03:25 | Рун Ю Жао v Хироясу Ехара | 3-6,1-6 |
| ITF China F8 | 2018/06/05 02:00 | Yili Zheng v Рун Ю Жао | 3-6,2-6 |
| ITF China F8 Qual | 2018/06/03 03:45 | Naifu Zhang v Рун Ю Жао | 4-6,1-6 |
| ITF China F12 | 2018/08/15 03:00 | Аоран Уанг v Ruikai Wang | 6-4,6-4 |
| ITF China F12 | 2018/08/13 06:30 | Ruikai Wang v Хани Лиу | 6-4,7-5 |
| Challenger Jinan | 2018/08/04 09:45 | Алексей Попирин v Ruikai Wang | 6-0,6-0 |
| ITF China F9 | 2018/07/04 03:00 | Рунхао Хуа v Ruikai Wang | 6-3,6-3 |
| ITF China F9 | 2018/07/03 09:40 | Ruikai Wang v Hu Liu | 4-6,6-3,6-2 |
| ITF China F5 Qual | 2018/05/07 04:30 | Michael Commings v Ruikai Wang | 6-1,6-4 |
| ITF China F5 Qual | 2018/05/05 08:10 | Hu Liu v Ruikai Wang | 4-6,3-6 |
| Challenger Anning | 2018/04/23 03:00 | Ruikai Wang v Сунъу Куон | 2-6,4-6 |