Harry Siejka - Teams Played Against
| Team | Games | Tries | Goals | DropGoals | Points | First Game Against | Last Game Against |
|---|---|---|---|---|---|---|---|
| Batley Bulldogs | 1 | 0 | 0 | 0 | 0 | 15 Mar 2015 | 15 Mar 2015 |
| Castleford Tigers | 2 | 0 | 0 | 0 | 0 | 18 Apr 2014 | 18 May 2014 |
| Dewsbury Rams | 1 | 0 | 0 | 0 | 0 | 06 Apr 2015 | 06 Apr 2015 |
| Doncaster | 1 | 0 | 3 | 0 | 6 | 15 Jun 2014 | 15 Jun 2014 |
| Featherstone Rovers | 1 | 0 | 0 | 0 | 0 | 01 Jul 2015 | 01 Jul 2015 |
| Halifax Panthers | 2 | 0 | 0 | 0 | 0 | 03 Apr 2015 | 26 Sep 2015 |
| Hong Kong | 1 | 0 | 0 | 0 | 0 | 04 Oct 2018 | 04 Oct 2018 |
| Huddersfield Giants | 1 | 0 | 0 | 0 | 0 | 21 Apr 2014 | 21 Apr 2014 |
| Hull FC | 1 | 0 | 0 | 0 | 0 | 04 May 2014 | 04 May 2014 |
| Hull Kingston Rovers | 2 | 0 | 0 | 0 | 0 | 30 Mar 2014 | 12 Sep 2015 |
| Japan | 1 | 0 | 0 | 0 | 0 | 07 Oct 2018 | 07 Oct 2018 |
| Leeds Rhinos | 1 | 0 | 0 | 0 | 0 | 11 Apr 2014 | 11 Apr 2014 |
| Leigh Leopards | 2 | 0 | 2 | 0 | 4 | 15 Feb 2015 | 19 Sep 2015 |
| London Broncos | 1 | 0 | 0 | 0 | 0 | 12 Apr 2015 | 12 Apr 2015 |
| North Macedonia | 1 | 1 | 6 | 0 | 16 | 21 Oct 2023 | 21 Oct 2023 |
| North Wales Crusaders | 1 | 0 | 0 | 0 | 0 | 29 Jun 2014 | 29 Jun 2014 |
| Philippines | 1 | 1 | 0 | 0 | 4 | 13 Oct 2018 | 13 Oct 2018 |
| St. Helens | 1 | 0 | 0 | 0 | 0 | 23 Mar 2014 | 23 Mar 2014 |
| Vanuatu | 1 | 1 | 2 | 0 | 8 | 10 Oct 2018 | 10 Oct 2018 |
| Wakefield Trinity | 2 | 0 | 0 | 0 | 0 | 15 Aug 2015 | 03 Oct 2015 |
| Warrington Wolves | 1 | 0 | 0 | 0 | 0 | 25 May 2014 | 25 May 2014 |
| Whitehaven | 1 | 0 | 2 | 0 | 4 | 22 Feb 2015 | 22 Feb 2015 |
| Widnes Vikings | 1 | 1 | 0 | 0 | 4 | 09 May 2014 | 09 May 2014 |
| Workington Town | 4 | 1 | 1 | 0 | 6 | 22 Jun 2014 | 21 Jun 2015 |