| Polish Open | 2021/03/26 10:00 | 돌란, 조나단 v 닐슨, 야곱 | L | 2-0 |
| Polish Open Qual | 2021/03/25 18:40 | 바로니, 엔리코 v 닐슨, 야곱 | W | 0-2 |
| Polish Open Qual | 2021/03/25 15:35 | 스폴자렉, 필립 v 닐슨, 야곱 | W | 0-2 |
| Polish Open Qual | 2021/03/25 12:45 | 월시, 데이비드 v 닐슨, 야곱 | W | 0-2 |
| SaarLorLux Open 2019, MS | 2020/10/27 10:30 | 닐슨, 야곱 v 홈, 디틀레프 예거 | L | 0-2 |
| Spain Masters | 2020/02/19 10:20 | 비티드사른, 쿤라부트 v 닐슨, 야곱 | L | 2-0 |
| Spain Masters 2020, MS, Qualification | 2020/02/18 10:45 | 닐슨, 야곱 v Chun, K. L. | W | 2-0 |
| Spain Masters 2020, MS, Qualification | 2020/02/18 09:00 | Valenzuela, Ivan v 닐슨, 야곱 | W | 0-2 |
| Portuguese Int. Qual | 2021/05/06 08:20 | Amaury Lievre v 토티, 조반니 | W | 2-0 |
| Orleans Masters 2019, MS, Qualification | 2021/03/23 09:10 | Amaury Lievre v Toft, Soeren | L | 0-2 |