Wong/Yeung 1-6,5-7 Billy Harris 2021-06-22 20:00
Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
Home History
| ITF M15 Antalya | 2021/06/21 07:00 | Stefan Palosi v Simeon Terziev | 6-0,7-5 |
| ITF M15 Antalya | 2021/06/20 07:00 | Simeon Terziev v Gabriel Roveri Sidney | 4-6,7-6,10-8 |
| ITF M15 Skopje | 2021/06/06 12:00 | Max Houkes v Simeon Terziev | 6-1,6-4 |
| ITF M15 Antalya | 2021/04/26 07:00 | Fabrizio Andaloro v Simeon Terziev | 4-6,6-4,11-9 |
| ITF M15 Antalya | 2021/04/25 07:00 | Credit Chaiyarin v Simeon Terziev | 3-6,1-6 |
| ITF M15 Antalya | 2021/04/18 07:00 | Kristof Minarik v Simeon Terziev | 6-1,6-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 10:00 | Jules Marie v Simeon Terziev | 6-3,6-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 07:00 | Ilya Snitari v Simeon Terziev | 6-0,6-3 |
Away History
| ITF M15 Antalya | 2021/06/13 07:30 | Billy Harris v Dian Nedev | 6-7,6-2,8-10 |
| ITF M15 Heraklion | 2021/06/12 07:00 | Yuki Mochizuki v Billy Harris | 6-2,3-6,6-3 |
| ITF M15 Heraklion | 2021/06/11 07:00 | William Griffith v Billy Harris | 2-6,6-7 |
| ITF M15 Heraklion | 2021/06/10 09:15 | Matas Vasiliauskas v Billy Harris | 3-6,6-3,1-6 |
| ITF M15 Heraklion | 2021/06/08 08:00 | Billy Harris v Ze Zhang | 6-2,6-2 |
| ITF M15 Heraklion | 2021/06/04 08:45 | Billy Harris v Ben Patael | 7-5,4-6,3-6 |
| ITF M15 Heraklion | 2021/06/03 09:00 | Billy Harris v Petros Tsitsipas | 4-6,6-0,7-6 |
| ITF M15 Heraklion | 2021/06/02 06:30 | Makoto Ochi v Billy Harris | 7-6,5-7,0-6 |