Head to Head
| ATP Estoril | 2018/04/30 16:50 | Tennys Sandgren v Frances Tiafoe | 6-3,6-7,6-7 |
| Challenger Sarasota | 2017/04/23 19:00 | Tennys Sandgren v Frances Tiafoe | 3-6,4-6 |
| Challenger Cary | 2016/09/17 00:10 | Tennys Sandgren v Frances Tiafoe | 4-6,6-1,6-7 |
| Challenger Tallahassee | 2015/05/01 19:00 | Frances Tiafoe v Tennys Sandgren | 1-6,6-4,7-6 |