| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2023 | Meistaradeildin | 11 | — | 0 | 0 | — | — |
| 2023/2024 | First Division (Denmark) | 7 | — | 0 | 0 | — | — |
| 2024 | National League (New Zealand) | 6 | 540 | 0 | 0 | 0 | — |
| 2025 | Pepsideild | 19 | 416 | 0 | 0 | 0 | 6.4 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Cohort: 17 National League (New Zealand) goalkeepers, 2024, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-07-11
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Fram | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Vestri | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Valur | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 KÍ | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Breidablik | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 FC Helsingør | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 B36 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Víkingur | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 07 Vestur | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 ÍF | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 KR Reykjavík | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Stjarnan | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 TB / FCS / Royn | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Afturelding | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Western Suburbs | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Horsens | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 IFK Göteborg | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 ÍBV | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 ÍA | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Odense BK | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
In the 2025 Pepsideild, William Tønning made 19 appearances (416 minutes). That season graded out at an average match rating of 6.4. Measured against 17 National League (New Zealand) goalkeepers with at least 450 minutes in 2024, he ranks in the top 1% by goal involvements per 90, and 1st of 17 for goals scored.
