Maccabi Petah Tikva 7-5,7-5 Marek Gengel 2017-03-13 14:20
Round: 25 Ground: Hardcourt outdoor
Home History
| Challenger Drummondville Qual | 2017/03/12 23:25 | Antoine Leduc v Frederik Nielsen | 3-6,1-6 |
| ITF Canada F2 | 2017/03/07 14:30 | Frederik Nielsen v Adrien Bossel | 3-6,4-6 |
| ITF Canada F1 | 2017/03/01 20:00 | Frederik Nielsen v Denis Shapovalov | 1-6,4-6 |
| ITF Canada F1 | 2017/02/28 16:30 | Adrien Bossel v Frederik Nielsen | 3-6,6-7 |
| Davis Cup | 2017/02/05 11:00 | Frederik Nielsen v Reda El Amrani | 6-2,3-6,6-3,6-4 |
| Davis Cup | 2017/02/03 14:00 | Frederik Nielsen v Amine Ahouda | 6-1,6-3,6-3 |
| ITF Great Britain F6 | 2016/11/13 13:00 | Neil Pauffley v Frederik Nielsen | 6-4,6-4 |
| ITF Great Britain F6 | 2016/11/12 11:00 | Alastair Gray v Frederik Nielsen | 3-6,3-6 |
Away History
| ITF Egypt F6 | 2017/02/23 08:00 | Marek Gengel v Benjamin Bonzi | 2-6,2-6 |
| ITF Egypt F5 | 2017/02/15 08:00 | Marek Gengel v Karim-Mohamed Maamoun | 4-6,2-6 |
| ITF Egypt F5 | 2017/02/13 08:00 | Marek Gengel v Francesco Garzelli | 6-1,3-6,6-3 |
| ITF Egypt F5 | 2017/02/12 08:00 | Marek Gengel v Sem Verbeek | 7-6,5-7,6-2 |
| ITF Egypt F5 | 2017/02/11 09:30 | Marek Gengel v Ivan Krivic | 7-6,6-4 |
| ITF Kazakhstan F2 | 2017/01/30 07:40 | David Pichler v Marek Gengel | 6-1,6-2 |
| ITF Kazakhstan F2 Qual | 2017/01/29 05:00 | Marek Gengel v Pavel Petrov | 6-1,6-0 |
| ITF Kazakhstan F2 Qual | 2017/01/28 05:00 | Marek Gengel v Rodion Pak | 7-5,5-7,6-2 |