| ATP Delray Beach | 02/21 19:30 | 25 | [69] Donald Young v Ivo Karlovic [20] | 7-6,7-6 | |
| ATP Memphis | 02/16 23:15 | 26 | [20] Ivo Karlovic v Nikoloz Basilashvili [67] | 6-7,3-6 | |
| ATP Quito | 02/09 23:30 | 26 | Ivo Karlovic v Victor Estrella Burgos | 7-6,6-7,6-7 | |
| Australian Open 2017 | 01/21 01:35 | 25 | [21] Ivo Karlovic v David Goffin [11] | 3-6,2-6,4-6 | |
| Australian Open 2017 | 01/19 05:00 | 24 | Ivo Karlovic v Andrew Whittington | 6-4,6-4,6-4 | |
| Australian Open 2017 | 01/17 05:35 | 23 | [21] Ivo Karlovic v Horacio Zeballos [68] | 6-7,3-6,7-5,6-2,22-20 | |
| Kooyong Classic | 01/13 02:50 | 29 | [20] Ivo Karlovic v David Goffin [11] | 6-7 | |
| Kooyong Classic | 01/10 03:00 | 1 | [25] Gilles Simon v Ivo Karlovic [20] | 4-6,7-6,7-10 | |
| ATP Doha | 01/05 12:30 | 27 | [20] Ivo Karlovic v Fernando Verdasco [42] | 2-6,5-7 | |
| ATP Doha | 01/04 16:45 | 26 | [20] Ivo Karlovic v Karen Khachanov [53] | 7-6,7-6 | |
| ATP Doha | 01/03 14:30 | 25 | [20] Ivo Karlovic v Illya Marchenko [74] | 7-6,7-6 | |
| Davis Cup | 11/27 18:10 | - | Ivo Karlovic v Federico Delbonis | 3-6,4-6,2-6 | |
| Davis Cup | 11/27 15:00 | - | Ivo Karlovic v Federico Del Bonis | 3-6,4-6,2-6 | |
| Davis Cup | 11/25 16:50 | - | [20] Ivo Karlovic v Juan Martin Del Potro [38] | 4-6,7-6,3-6,5-7 | |
| ATP Paris | 11/02 12:05 | 25 | [10] Marin Cilic v Ivo Karlovic [20] | 7-6,6-2 | |
| ATP Paris | 11/01 16:05 | 24 | [89] Dusan Lajovic v Ivo Karlovic [20] | 6-7,6-7 | |
| ATP Vienna | 10/29 12:00 | 28 | [15] Jo-Wilfried Tsonga v Ivo Karlovic [23] | 5-7,7-5,7-6 | |
| ATP Vienna | 10/28 11:00 | 27 | [23] Ivo Karlovic v Karen Khachanov [63] | 6-7,7-6,6-3 | |
| ATP Vienna | 10/26 14:25 | 26 | [23] Ivo Karlovic v Damir Dzumhur [92] | 7-6,4-6,7-6 | |
| ATP Vienna | 10/24 12:30 | 25 | [23] Ivo Karlovic v Steve Johnson [31] | 7-6,6-3 | |
| ATP Stockholm | 10/21 12:45 | 27 | [63] Juan Martin Del Potro v Ivo Karlovic [21] | 6-3,6-4 | |
| ATP Stockholm | 10/19 13:55 | 26 | Mikael Ymer v Ivo Karlovic | 6-4,4-6,4-6 | |
| ATP Shanghai | 10/10 10:05 | 24 | Ivo Karlovic v Vasek Pospisil | 6-7,4-6 | |
| ATP Tokyo | 10/07 07:25 | 27 | [21] Ivo Karlovic v Gael Monfils [8] | 6-7,6-7 | |
| ATP Tokyo | 10/06 06:10 | 26 | Ivo Karlovic v Janko Tipsarevic | 7-6,7-6 | |
| ATP Tokyo | 10/04 05:30 | 25 | [21] Ivo Karlovic v Federico Delbonis [47] | 7-6,6-7,7-6 | |
| US Open 2016 | 09/05 20:05 | 26 | Kei Nishikori v Ivo Karlovic | 6-3,6-4,7-6 | |
| US Open 2016 | 09/03 23:45 | 25 | Ivo Karlovic v Jared Donaldson | 6-4,7-6,6-3 | |
| US Open 2016 | 09/02 01:20 | 24 | Ivo Karlovic v Donald Young | 6-4,7-6,6-4 | |
| US Open 2016 | 08/30 19:45 | 23 | Ivo Karlovic v Yen-Hsun Lu | 4-6,7-6,6-7,7-6,7-5 |