Ground: Hardcourt outdoor
| ITF Argentina F3 | 2015/03/24 13:00 | Martniez, Mateo Nicolas v Kim, Young Seok | 6-2,6-0 |
| ITF Argentina F1 | 2015/03/11 16:50 | Bahamonde, Francisco v Kim, Young Seok | 6-4,6-0 |
| ITF Argentina F1 | 2015/03/09 15:00 | Kim, Young Seok v Martniez, Mateo Nicolas | 7-6,6-4 |
| ITF USA F6 | 2015/01/28 16:55 | Kim, Young Seok v Ryota Tanuma | 6-7,3-6 |
| ITF USA F6 | 2015/01/26 15:00 | Kim, Young Seok v Alex Rybakov | 6-4,6-3 |
| ITF USA F6 | 2015/01/25 16:00 | Kim, Young Seok v Battistone, Brian | 6-1,6-3 |
| ITF USA F6 | 2015/01/24 17:00 | Kim, Young Seok v Nicolas Mejia | 6-4,6-1 |
| ITF USA F3 | 2015/01/16 16:00 | Kim, Young Seok v Baughman, Deiton | 6-1,1-6,5-7 |
| Turkey F6, Singles Qualifying | 2015/02/13 10:00 | Cao, Zhaoyi v Merckx, Jonas | 3-6,3-6 |
| Turkey F6, Singles Qualifying | 2015/02/12 13:05 | Johansson, Morgan v Cao, Zhaoyi | 3-6,0-6 |
| Turkey F6, Singles Qualifying | 2015/02/09 08:00 | Patael, Ben v Cao, Zhaoyi | 6-3,3-6,0-6 |
| Turkey F6, Singles Qualifying | 2015/02/08 08:00 | Jonas Trinker v Cao, Zhaoyi | 6-3,3-6,5-7 |
| Turkey F6, Singles Qualifying | 2015/02/07 07:00 | Andrade, Goncalo v Cao, Zhaoyi | 3-6,6-4,4-6 |
| Challenger Shanghai Qual | 2014/10/04 05:50 | Bernard Tomic v Cao, Zhaoyi | 6-1,6-2 |
| ITF Sweden F4 | 2014/09/17 10:20 | Zopp, Jurgen v Cao, Zhaoyi | 6-3,7-6 |
| ITF Sweden F4 | 2014/09/15 09:00 | Sekulic, Milos v Cao, Zhaoyi | 3-6,2-6 |