Stadium: Court 3 Round: 26
| Challenger Bangalore | 2017/11/23 12:30 | Blaz Kavcic v Sumit Nagal | 3-6,4-6 |
| ATP Marseille | 2018/02/21 11:00 | Mischa Zverev v Blaz Kavcic | 6-4,6-4 |
| ATP New York | 2018/02/13 19:35 | Blaz Kavcic v Peter Gojowczyk | 4-6,2-6 |
| ATP Sofia | 2018/02/08 12:00 | Marius Copil v Blaz Kavcic | 6-2,6-2 |
| ATP Sofia | 2018/02/07 10:00 | Laslo Djere v Blaz Kavcic | 4-6,4-6 |
| Australian Open | 2018/01/16 05:55 | Richard Gasquet v Blaz Kavcic | 6-1,6-4,7-5 |
| ATP Auckland Qual | 2018/01/06 05:20 | Blaz Kavcic v Liam Caruana | 3-6,4-6 |
| ATP Pune | 2018/01/02 11:30 | Robin Haase v Blaz Kavcic | 7-6,7-5 |
| Challenger Bangalore | 2017/11/23 12:30 | Blaz Kavcic v Sumit Nagal | 3-6,4-6 |
| Challenger Chennai | 2018/02/12 09:30 | Sumit Nagal v Antoine Escoffier | 3-6,3-6 |
| Australian Open Qual | 2018/01/10 08:20 | Alessandro Giannessi v Sumit Nagal | 7-6,3-6,6-3 |
| ATP Pune | 2018/01/02 09:30 | Sumit Nagal v Ilya Ivashka | 3-6,3-6 |
| ATP Pune Qual | 2017/12/31 07:30 | Adrian Menendez-Maceiras v Sumit Nagal | 2-6,6-3,4-6 |
| ATP Pune Qual | 2017/12/30 10:00 | Divij Sharan v Sumit Nagal | 2-6,3-6 |
| Australian Open WC | 2017/11/30 04:15 | Jurabek Karimov v Sumit Nagal | 7-5,6-4 |
| Challenger Bangalore | 2017/11/25 13:00 | Sumit Nagal v Jay Clarke | 6-3,3-6,6-2 |
| Challenger Bangalore | 2017/11/24 11:00 | Sumit Nagal v Yuki Bhambri | 6-4,6-0 |