Stadium: Ct 7 Round: 25 Ground: Hardcourt outdoor
| ITF Australia F1 Qual | 2018/02/25 23:00 | Chanchai Sookton-Eng v David Abfalter | 6-3,7-6 |
| ITF Australia F1 Qual | 2018/02/24 23:00 | Chanchai Sookton-Eng v Mislav Bosnjak | 5-7,6-4,7-5 |
| Challenger Canberra Qual | 2018/01/06 00:40 | Chanchai Sookton-Eng v Steven De Waard | 7-6,4-6,5-7 |
| ITF Thailand F12 Qual | 2017/12/09 03:00 | Chanchai Sookton-Eng v Socrates Leon Tsoronis | 6-2,6-7,1-6 |
| ITF Thailand F11 Qual | 2017/12/02 03:00 | Aoran Wang v Chanchai Sookton-Eng | 7-6,6-4 |
| ITF Thailand F10 Qual | 2017/11/26 08:00 | Chanchai Sookton-Eng v Miguel Diaz | 3-6,1-6 |
| ITF Thailand F10 Qual | 2017/11/25 05:00 | Nutdanai Sincharoenwattana v Chanchai Sookton-Eng | 3-6,1-6 |
| Challenger Hua Hin Qual | 2017/11/18 06:10 | Chanchai Sookton-Eng v Alexander Babanine | 5-7,3-6 |
| Challenger Canberra | 2018/01/09 00:00 | Alexander Crnokrak v Geoffrey Blancaneaux | 1-6,2-6 |
| Australian Open WC | 2017/12/12 23:00 | Alex Bolt v Alexander Crnokrak | 6-1,6-3,6-3 |
| Australian Open WC | 2017/12/10 23:00 | Alexander Crnokrak v Bradley Mousley | 6-4,1-6,6-3,6-4 |
| ITF Vietnam F2 | 2017/11/11 04:00 | Alexander Crnokrak v Aleksandr Malyshev | 6-2,6-1 |
| ITF Vietnam F1 | 2017/11/07 05:30 | Tung-Lin Wu v Alexander Crnokrak | 6-4,6-3 |
| ITF Vietnam F1 | 2017/11/05 06:00 | Wei-De Lin v Alexander Crnokrak | 6-3,3-6,2-6 |
| ITF Vietnam F1 | 2017/11/05 04:00 | Alexander Crnokrak v Nitin Kumar Sinha | 1-6,7-6,6-1 |
| ITF Australia F7 Qual | 2017/10/07 02:30 | Edward Bourchier v Alexander Crnokrak | 6-2,4-6,6-1 |