| Result | Tournament |
|---|---|
| Jani Siekkinen defeated Damian Pongpanki | 2019 U.S.Open 9-Ball |
| Alex Pagulayan defeated Jani Siekkinen | 2019 U.S.Open 9-Ball |
| Lefteris Georgiou defeated Jani Siekkinen | 2019 U.S.Open 9-Ball |
| Jere Virtaranta defeated Jani Siekkinen | 2019 Dynamic Billard Veldhoven Open 9-Ball |
| Ruslan Chinakhov defeated Jani Siekkinen | 2019 Dynamic Billard Veldhoven Open 9-Ball |
| Jani Siekkinen defeated Cyriel Ledoux | 2019 Dynamic Billard Veldhoven Open 9-Ball |
| Arjan Matrizi defeated Jani Siekkinen | 2019 Dynamic Billard Treviso Open 9-Ball |
| Jani Siekkinen defeated Mohammad Soufi | 2019 Dynamic Billard Treviso Open 9-Ball |
| Jani Siekkinen defeated Jonas Souto | 2019 Dynamic Billard Treviso Open 9-Ball |
| Jani Siekkinen defeated Mickey Krause | 2019 Dynamic Billard Treviso Open 9-Ball |
| Ville Hamalainen defeated Jani Siekkinen | 2019 Dynamic Billard Treviso Open 9-Ball |
| Sergey Lutsker defeated Jani Siekkinen | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Jani Siekkinen defeated Thore Sönksen | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Jakub Koniar defeated Jani Siekkinen | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Jani Siekkinen defeated Johan Pale | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Daniel Maciol defeated Jani Siekkinen | 2019 Dynamic Billard Leende Open 9-Ball |
| Mats Schjetne defeated Jani Siekkinen | 2019 Dynamic Billard Leende Open 9-Ball |
| Jani Siekkinen defeated Oliver Szolnoki | 2019 Dynamic Billard Leende Open 9-Ball |
| Jani Siekkinen defeated Alexandre Eve | 2019 Dynamic Billard Leende Open 9-Ball |
| Mats Schjetne defeated Jani Siekkinen | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Jani Siekkinen defeated Konstantinos Koukiadakis | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Denis Grabe defeated Jani Siekkinen | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Jani Siekkinen defeated Roberto Bartol | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Jani Siekkinen defeated Imran Majid | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Jani Siekkinen defeated Alexander Dinov | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Sanjin Pehlivanovic defeated Jani Siekkinen | 2019 Dynamic Billard Antalya Open 9-Ball |
| Jani Siekkinen defeated Dimitris Loukatos | 2019 Dynamic Billard Antalya Open 9-Ball |
| Jani Siekkinen defeated Jani Uski | 2019 Dynamic Billard Antalya Open 9-Ball |
| Jani Siekkinen defeated Alex Montpellier | 2019 Dynamic Billard Antalya Open 9-Ball |
| Jani Siekkinen defeated Antonis Kakaris | 2019 Dynamic Billard Antalya Open 9-Ball |
| Radoslaw Babica defeated Jani Siekkinen | 2018 International Open 9-Ball |
| Mats Schjetne defeated Jani Siekkinen | 2018 Dynamic Billard Veldhoven Open 9-Ball |
| Ralf Souquet defeated Jani Siekkinen | 2018 Dynamic Billard Veldhoven Open 9-Ball |
| Jani Siekkinen defeated Kim Laaksonen | 2018 Dynamic Billard Veldhoven Open 9-Ball |
| Jani Siekkinen defeated Tony Drago | 2018 Dynamic Billard Veldhoven Open 9-Ball |
| Arjan Matrizi defeated Jani Siekkinen | 2018 Dynamic Billard Treviso Open 9-Ball |
| David Alcaide defeated Jani Siekkinen | 2018 Dynamic Billard Treviso Open 9-Ball |
| Jani Siekkinen defeated Javier Del Santo-Sanz | 2018 Dynamic Billard Treviso Open 9-Ball |
| Jani Siekkinen defeated Victor Roda | 2018 Dynamic Billard Treviso Open 9-Ball |
| Cliff Castelein defeated Jani Siekkinen | 2018 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Jani Siekkinen defeated Marton Keidl | 2018 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Wojciech Szewczyk defeated Jani Siekkinen | 2018 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Jani Siekkinen defeated Adrian Weiss | 2018 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Jani Siekkinen defeated Abdullah Malik | 2018 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Miguel Silva defeated Jani Siekkinen | 2018 Dynamic Billard Leende Open 9-Ball |
| Sky Woodward defeated Jani Siekkinen | 2018 Dynamic Billard Leende Open 9-Ball |
| Sergey Lutsker defeated Jani Siekkinen | 2018 Dynamic Billard Klagenfurt Open 9-Ball |
| Jani Siekkinen defeated Nick Malai | 2018 Dynamic Billard Klagenfurt Open 9-Ball |
| Jani Siekkinen defeated Marek Hajdovsky | 2018 Dynamic Billard Klagenfurt Open 9-Ball |
| Jani Siekkinen defeated Ante Sustic | 2018 Dynamic Billard Klagenfurt Open 9-Ball |