| Result | Tournament |
|---|---|
| Niels Feijen defeated Jayson Shaw | 2021 World Pool Masters 9-Ball |
| Yip Kin Ling defeated Niels Feijen | 2019 World Championships 9-Ball |
| Marc Bijsterbosch defeated Niels Feijen | 2019 World Championships 9-Ball |
| Niels Feijen defeated Brian Parks | 2019 U.S.Open 9-Ball |
| Niels Feijen defeated Paddy McLoughlin | 2019 U.S.Open 9-Ball |
| Imran Majid defeated Niels Feijen | 2019 U.S.Open 9-Ball |
| Niels Feijen defeated Dennis Orcollo | 2019 U.S.Open 9-Ball |
| Aloysius Yapp defeated Niels Feijen | 2019 U.S.Open 9-Ball |
| Yannick Pongers defeated Niels Feijen | 2019 Dynamic Billard Veldhoven Open 9-Ball |
| Marco Dorenburg defeated Niels Feijen | 2019 Dynamic Billard Veldhoven Open 9-Ball |
| Niels Feijen defeated Tim DeRuyter | 2019 Dynamic Billard Veldhoven Open 9-Ball |
| Kim Laaksonen defeated Niels Feijen | 2019 Dynamic Billard Treviso Open 9-Ball |
| Francisco Diaz-Pizarro defeated Niels Feijen | 2019 Dynamic Billard Treviso Open 9-Ball |
| Niels Feijen defeated Tristan Bialuschewski | 2019 Dynamic Billard Treviso Open 9-Ball |
| Mario He defeated Niels Feijen | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Niels Feijen defeated Marek Kudlik | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Niels Feijen defeated Gianmarco Tonini | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Niels Feijen defeated Thorsten Hohmann | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Ruslan Chinakhov defeated Niels Feijen | 2019 Dynamic Billard Leende Open 9-Ball |
| Niels Feijen defeated Sanjin Pehlivanovic | 2019 Dynamic Billard Leende Open 9-Ball |
| Niels Feijen defeated Radoslaw Babica | 2019 Dynamic Billard Leende Open 9-Ball |
| Niels Feijen defeated Tim DeRuyter | 2019 Dynamic Billard Leende Open 9-Ball |
| Niels Feijen defeated Philipp Stojanovic | 2019 Dynamic Billard Leende Open 9-Ball |
| Karol Skowerski defeated Niels Feijen | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Niels Feijen defeated Matthias Blehs | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Joao Grilo defeated Niels Feijen | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Niels Feijen defeated Roman Schleiner | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| David Alcaide defeated Niels Feijen | 2019 Dynamic Billard Antalya Open 9-Ball |
| Niels Feijen defeated Wojciech Sroczynski | 2019 Dynamic Billard Antalya Open 9-Ball |
| Niels Feijen defeated Mustafa Alnar | 2019 Dynamic Billard Antalya Open 9-Ball |
| Niels Feijen defeated Javier Del Santo-Sanz | 2019 Dynamic Billard Antalya Open 9-Ball |
| Niels Feijen defeated Oytun Gungor | 2019 Dynamic Billard Antalya Open 9-Ball |
| Niels Feijen defeated Jason Jones | 2019 Derby City Classic One Pocket |
| Niels Feijen defeated John Schmidt | 2019 Derby City Classic One Pocket |
| Niels Feijen defeated Konrad Juszczyszyn | 2019 Derby City Classic One Pocket |
| Russell Parsons defeated Niels Feijen | 2019 Derby City Classic One Pocket |
| Tommy Tokoph defeated Niels Feijen | 2019 Derby City Classic One Pocket |
| Niels Feijen defeated Michael Petrey | 2019 Derby City Classic Bank Pool |
| Niels Feijen defeated Ilya Nekleenov | 2019 Derby City Classic Bank Pool |
| Niels Feijen defeated Shawn Siesel | 2019 Derby City Classic Bank Pool |
| Niels Feijen defeated Terry Schmitt | 2019 Derby City Classic Bank Pool |
| Niels Feijen defeated John Morra | 2019 Derby City Classic Bank Pool |
| James Baraks defeated Niels Feijen | 2019 Derby City Classic Bank Pool |
| Niels Feijen defeated Louis DeMarco Jr | 2019 Derby City Classic Bank Pool |
| Sky Woodward defeated Niels Feijen | 2019 Derby City Classic Bank Pool |
| Niels Feijen defeated Rich Rushton | 2019 Derby City Classic 9-Ball |
| Niels Feijen defeated Edward Hancock | 2019 Derby City Classic 9-Ball |
| Niels Feijen defeated Steve Hickman | 2019 Derby City Classic 9-Ball |
| Niels Feijen defeated Joshua Oneal | 2019 Derby City Classic 9-Ball |
| Niels Feijen defeated Adam Martin | 2019 Derby City Classic 9-Ball |