| ITF M15匹兹堡 | 07/13 21:30 | 25 | A J 卡坦扎利蒂 v Christian Lakoseljac | 7-6,6-3 | |
| ITF M15匹兹堡 | 07/12 14:00 | 54 | Christian Lakoseljac v John Mercer | 6-3,6-2 | |
| ITF M15南本德 | 06/20 13:00 | 54 | Christian Lakoseljac v 亚当•沃尔顿 | 3-6,2-6 | |
| ITF M25威奇托 | 06/16 16:40 | 26 | 菲利克斯•科温 v Christian Lakoseljac | 6-0,6-4 | |
| ITF M25威奇托 | 06/15 17:10 | 25 | Christian Lakoseljac v 塞库•邦古拉 | 6-4,7-6 | |
| ITF M15森赖斯 | 04/11 15:00 | 54 | 亚历克斯•纳普 v Christian Lakoseljac | 6-4,5-7,10-6 | |
| ITF M15普瓦捷 | 03/14 13:45 | 44 | Pierre Delage v Christian Lakoseljac | 6-0,6-2 | |
| ITF M15普瓦捷 | 03/13 17:30 | 44 | 朱利安 De Cuyper v Christian Lakoseljac | 7-6,4-6,8-10 | |
| ITF M15克雷泰伊 | 03/08 11:50 | 25 | Christian Lakoseljac v Theo Papamalamis | 4-6,3-6 | |
| ITF M15克雷泰伊 | 03/07 11:00 | 54 | 里奥·杜坎 v Christian Lakoseljac | 1-6,2-6 | |
| ITF M15克雷泰伊 | 03/06 08:30 | 54 | Alessio Basile v Christian Lakoseljac | 6-7,0-6 | |
| ITF M15那不勒斯 | 02/21 15:00 | 54 | Christian Lakoseljac v 布莱兹•比克内尔 | 5-7,2-6 | |
| ITF M15坎昆 | 11/22 14:00 | 44 | Christian Lakoseljac v Andres Chavez | 弃权 | |
| ITF M25费耶特维尔 | 11/02 14:00 | 54 | 查德•基塞尔 v Christian Lakoseljac | Walkover | |
| ITF M15塔拉哈西 | 10/28 16:00 | 26 | 瑞恩•谢恩 v Christian Lakoseljac | 6-2,6-4 | |
| ITF M15塔拉哈西 | 10/27 14:20 | 25 | Christian Lakoseljac v 杜斯提 H 波伊尔 | 5-7,7-6,7-6 | |
| ITF M15塔拉哈西 | 10/26 13:00 | 54 | Christian Lakoseljac v 卡莱斯•赫尔南德兹 | 7-6,6-3 | |
| ITF M15塔拉哈西 | 10/25 13:00 | 54 | 德鲁夫•桑尼施 v Christian Lakoseljac | 6-7,3-6 | |
| ITF M25维罗海滩 | 10/19 16:00 | 54 | Reece Falck v Christian Lakoseljac | 6-4,6-4 | |
| ITF M25维罗海滩 | 10/18 16:00 | 54 | 马修•福斯特•埃斯特威克 v Christian Lakoseljac | 4-6,6-7 | |
| ITF M15那不勒斯 | 10/13 18:30 | 25 | Christian Lakoseljac v Blu Baker | 4-6,3-6 | |
| ITF M15那不勒斯 | 10/12 13:30 | 62 | 鲁宾•斯塔姆 v Christian Lakoseljac | 6-3,6-0 | |
| ITF M15那不勒斯 | 10/11 14:30 | 62 | Kyle Overmyer v Christian Lakoseljac | 4-6,0-6 | |
| ITF M25尚佩恩 | 07/26 15:00 | 54 | Christian Lakoseljac v 坎农•金斯利 | 2-6,2-6 | |
| ITF M15尚佩恩 | 06/21 15:00 | 54 | 约书亚•奥特利普 v Christian Lakoseljac | 6-3,6-4 | |
| ITF M25威奇托 | 06/07 15:00 | 54 | Christian Lakoseljac v 尼古拉斯•比贝尔 | 5-7,5-7 | |
| ITF M15东兰辛 | 11/20 22:10 | 25 | 迈克尔•格尔茨 v Christian Lakoseljac | 6-4,6-4 | |
| ITF M15东兰辛 | 11/19 15:00 | 44 | 大卫•福克斯 v Christian Lakoseljac | 6-7,3-6 | |
| ITF M15东兰辛 | 11/17 15:00 | 44 | Nils Ellefsen v Christian Lakoseljac | 6-7,4-6 | |
| ITF M15诺曼 | 07/11 16:40 | 26 | Christian Lakoseljac v Andrew Fenty | 1-6,6-2,6-7 |