Head to Head includes singles and doubles results.
09/09/18 | Hongman Yoon over Mark Onufry | 4-6; 6-1; 6-3 | Playoff Match |
08/06/18 | Hongman Yoon over Mark Onufry | 4-6; 6-2; 6-3 | |
07/31/18 | Hongman Yoon over Mark Onufry | 6-3; 6-7; 6-1 | |
06/01/18 | Hongman Yoon over Mark Onufry |
7-5; 6-7; TB 8-6 |
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05/02/18 | Hongman Yoon over Mark Onufry | 7-6; 6-4 |