[162] Jack Sock 5-7,6-4,3-6 John Millman [58] 2021-05-10 09:00
Stadium: Stadium 2 Round: 23 Ground: Hardcourt outdoor
Home History
| Challenger Tallahassee | 2021/04/20 15:05 | Jack Sock v Jason Jung | 6-2,3-6,4-6 |
| Challenger Orlando | 2021/04/16 15:00 | Jack Sock v Christian Harrison | 6-7,3-6 |
| Challenger Orlando | 2021/04/15 16:30 | Prajnesh Gunneswaran v Jack Sock | 3-6,4-6 |
| Challenger Orlando | 2021/04/13 17:40 | Yosuke Watanuki v Jack Sock | 1-6,1-6 |
| Challenger Lugano | 2021/03/25 15:35 | Roman Safiullin v Jack Sock | 6-4,6-3 |
| Challenger Lugano | 2021/03/23 14:15 | Jack Sock v Antoine Bellier | 6-4,6-3 |
| Challenger Biella | 2021/03/17 10:00 | Jack Sock v Andreas Seppi | 6-4,3-6,3-6 |
| Challenger Biella | 2021/03/15 12:05 | Akira Santillan v Jack Sock | 4-6,6-3,7-6 |
Away History
| ATP Madrid | 2021/05/05 11:10 | John Millman v Daniel Evans | 7-6,2-6,3-6 |
| ATP Madrid | 2021/05/04 09:00 | Hubert Hurkacz v John Millman | 7-5,6-7,3-6 |
| ATP Munich | 2021/04/30 15:10 | John Millman v Casper Ruud | 3-6,4-6 |
| ATP Munich | 2021/04/26 09:00 | John Millman v Alexei Popyrin | 7-6,3-6,7-5 |
| ATP Belgrade | 2021/04/22 10:00 | John Millman v Taro Daniel | 6-3,2-6,3-6 |
| ATP Belgrade | 2021/04/19 17:00 | John Millman v Danilo Petrovic | 7-5,6-4 |
| ATP Monte Carlo | 2021/04/14 09:00 | John Millman v Cristian Garin | 1-6,4-6 |
| ATP Monte Carlo | 2021/04/12 09:00 | John Millman v Ugo Humbert | 6-3,6-3 |