[106] Ivo Karlovic 6-7,6-3,6-4 Christopher O'Connell [128] 2019-11-16 20:55
Stadium: Court 1 Round: 28 Ground: Hardcourt outdoor
Home History
| Challenger Houston | 2019/11/15 20:25 | Alexis Galarneau v Ivo Karlovic | 6-7,6-7 |
| Challenger Houston | 2019/11/15 16:00 | Sekou Bangoura v Ivo Karlovic | 6-7,6-2,4-6 |
| Challenger Houston | 2019/11/12 22:20 | Liam Caruana v Ivo Karlovic | 5-7,4-6 |
| Challenger Charlottesville | 2019/10/29 22:05 | Filip Peliwo v Ivo Karlovic | 6-1,7-5 |
| ATP Basel | 2019/10/19 12:00 | Peter Gojowczyk v Ivo Karlovic | 6-2,6-4 |
| ATP Moscow | 2019/10/17 19:40 | Marin Cilic v Ivo Karlovic | 6-1,7-6 |
| ATP Moscow | 2019/10/15 14:10 | Ivo Karlovic v Aljaz Bedene | 6-4,6-7,7-6 |
| ATP Cincinnati | 2019/08/12 19:35 | Ivo Karlovic v Jan-Lennard Struff | 5-7,6-7 |
Away History
| Challenger Houston | 2019/11/15 17:40 | Christopher O'Connell v Adrian Menendez-Maceiras | 7-6,6-4 |
| Challenger Houston | 2019/11/13 19:15 | Christopher O'Connell v Andrea Vavassori | 6-3,5-7,6-4 |
| Challenger Knoxville | 2019/11/10 16:00 | Christopher O'Connell v Michael Mmoh | 4-6,4-6 |
| Challenger Knoxville | 2019/11/09 17:55 | Tommy Paul v Christopher O'Connell | 6-7,3-6 |
| Challenger Knoxville | 2019/11/08 21:20 | Ernesto Escobedo v Christopher O'Connell | 7-6,4-6,4-6 |
| Challenger Knoxville | 2019/11/07 18:00 | Peter Polansky v Christopher O'Connell | 2-6,3-6 |
| Challenger Knoxville | 2019/11/05 22:20 | Kevin King v Christopher O'Connell | 5-7,3-6 |
| Challenger Charlottesville | 2019/11/01 00:50 | Christopher O'Connell v Vasek Pospisil | 3-6,2-6 |