Stadium: Court 6 Round: 28 Ground: Carpet indoor
| ITF Italy F2 | 2018/03/09 17:30 | Sumit Nagal v Trusendi, Walter | 6-1,6-0 |
| ITF Italy F2 | 2018/03/09 12:00 | Sumit Nagal v Capalbo, Franco | 6-0,6-1 |
| ITF Italy F2 | 2018/03/08 12:00 | Sumit Nagal v Gabrieli, Tommaso | 6-4,6-7,6-3 |
| 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 | Menendez-Maceiras, Adrian v Sumit Nagal | 2-6,6-3,4-6 |
| ATP Pune Qual | 2017/12/30 10:00 | Sharan, Divij v Sumit Nagal | 2-6,3-6 |
| ITF Italy F2 | 2018/03/09 15:45 | Billy Harris v de Bakker, Thiemo | 5-7,3-6 |
| ITF Italy F2 | 2018/03/09 12:00 | Winkler, Georg v de Bakker, Thiemo | 2-6,1-6 |
| ITF Italy F2 | 2018/03/08 12:45 | Toby Martin v de Bakker, Thiemo | 1-6,3-6 |
| Bergamo, Italy | 2018/02/21 15:40 | Stefano Napolitano v de Bakker, Thiemo | 6-3,7-5 |
| Bergamo, Italy | 2018/02/19 19:40 | Alejandro Davidovich Fokina v de Bakker, Thiemo | 4-6,2-6 |
| ATP - Rotterdam | 2018/02/14 11:55 | Haase, Robin v de Bakker, Thiemo | 6-2,6-2 |
| Coupe Davis | 2018/02/02 12:30 | Adrian Mannarino v de Bakker, Thiemo | 6-7,3-6,3-6 |
| ITF Egypt F2 | 2018/01/27 08:00 | de Bakker, Thiemo v Aslan Karatsev | 6-7,4-6 |