[393] Ryan Peniston 2-6,6-7 Marcos Giron [104] 2020-03-04 18:00
Stadium: Court 17 Round: 25 Ground: Hardcourt outdoor
Home History
| Challenger Indian Wells | 2020/03/03 18:00 | Keegan Smith v Ryan Peniston | 6-7,4-6 |
| Challenger Calgary | 2020/02/24 20:05 | Ryan Peniston v Evan King | 3-6,4-6 |
| Challenger Drummondville | 2020/02/19 16:10 | Ryan Peniston v Max Purcell | 2-6,4-6 |
| Challenger Drummondville | 2020/02/17 15:00 | Nick Chappell v Ryan Peniston | 2-6,4-6 |
| ITF M25 Barnstaple | 2020/02/11 11:20 | Mark Whitehouse v Ryan Peniston | 6-4,6-4 |
| ITF M15 Tallahassee | 2019/12/04 15:00 | Ryan Peniston v Marcus Walters | 6-2,6-4 |
| Challenger Champaign | 2019/11/11 18:20 | Ryan Peniston v Blaz Kavcic | 4-6,3-6 |
| Challenger Knoxville | 2019/11/05 15:00 | Sebastian Korda v Ryan Peniston | 6-7,7-5,6-0 |
Away History
| ATP Acapulco | 2020/02/26 23:40 | John Isner v Marcos Giron | 6-3,7-6 |
| ATP Acapulco | 2020/02/25 04:55 | Marcos Giron v Gerardo L Villasenor | 6-4,7-6 |
| ATP Acapulco | 2020/02/24 01:20 | Taro Daniel v Marcos Giron | 4-6,7-5,1-6 |
| ATP Acapulco | 2020/02/23 03:50 | Juan A H Serrano v Marcos Giron | 5-7,1-6 |
| ATP New York | 2020/02/13 03:10 | Marcos Giron v Ugo Humbert | 1-6,0-6 |
| ATP New York | 2020/02/11 03:10 | Jack Sock v Marcos Giron | 3-6,4-6 |
| Challenger Newport Beach | 2020/01/28 21:05 | Marcos Giron v Sebastian Korda | 4-6,6-3,6-7 |
| Australian Open | 2020/01/20 09:05 | Philipp Kohlschreiber v Marcos Giron | 7-5,6-1,6-2 |