Stadium: Estadio Round: 28 Ground: Hardcourt outdoor
| ATP Halle | 2015/06/16 10:00 | Santiago Giraldo v Ivo Karlovic | 7-6,4-6,4-6 |
| Challenger Monterrey | 2018/10/05 22:40 | Ivo Karlovic v Bjorn Fratangelo | 6-4,6-3 |
| Challenger Monterrey | 2018/10/04 00:35 | Ivo Karlovic v Lucas Gomez | 3-6,6-3,7-6 |
| Challenger Monterrey | 2018/10/02 00:15 | Ivo Karlovic v Thiemo De Bakker | 7-6,7-5 |
| US Open | 2018/08/23 21:30 | Collin Altamirano v Ivo Karlovic | 7-5,6-4 |
| US Open | 2018/08/22 21:35 | Illya Marchenko v Ivo Karlovic | 3-6,6-7 |
| ATP Cincinnati Qual | 2018/08/12 18:40 | Hubert Hurkacz v Ivo Karlovic | 7-6,7-6 |
| ATP Cincinnati Qual | 2018/08/11 23:00 | Ivo Karlovic v Taro Daniel | 7-6,6-3 |
| ATP Los Cabos | 2018/07/31 04:15 | Ivo Karlovic v Elias Ymer | 4-6,3-6 |
| Challenger Monterrey | 2018/10/05 20:00 | Gerald Melzer v Santiago Giraldo | 7-6,5-7,3-6 |
| Challenger Monterrey | 2018/10/03 22:20 | Santiago Giraldo v Gonzalo Escobar | 4-6,6-2,6-4 |
| Challenger Monterrey | 2018/10/02 18:00 | Pavel Krainik v Santiago Giraldo | 4-6,4-6 |
| Davis Cup | 2018/09/14 14:00 | Diego Schwartzman v Santiago Giraldo | 6-3,6-1,6-7,6-1 |
| US Open | 2018/08/23 15:00 | Peter Polansky v Santiago Giraldo | 7-6,6-4 |
| US Open | 2018/08/21 21:45 | Santiago Giraldo v Viktor Galovic | 6-4,6-4 |
| Challenger Vancouver | 2018/08/14 01:40 | Peter Polansky v Santiago Giraldo | 7-6,5-7,6-3 |
| ATP Gstaad Qual | 2018/07/21 10:50 | Adrian Menendez-Maceiras v Santiago Giraldo | 6-3,7-5 |