Matches Directed by Referee William Collum, Scotland and Results, Referee Career
| Time | Status | Home | Score | Away | |||
|---|---|---|---|---|---|---|---|
 World - UEFA Europa Conference League ( Cup ) |
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| 14/03/2024 20:45 | PEN | Plzen | 0-0 PS : 3-1 |
Servette FC | |||
 Scotland - FA Cup ( Cup ) |
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| 10/03/2024 17:30 | FT | Celtic | 4-2 | Livingston | |||
 World - Euro Championship - Qualification ( Cup ) |
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| 17/11/2023 20:00 | FT | Moldova | 1-1 | Albania | |||
 World - UEFA Europa League ( Cup ) |
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| 09/11/2023 20:45 | FT | Rennes | 3-1 | Panathinaikos | |||
| Scotland - Premiership ( League ) |
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| 07/10/2023 17:00 | FT | Heart OF Midlothian | 2-2 | Hibernian | |||
 World - UEFA Champions League ( Cup ) |
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| 04/10/2023 22:00 | FT | FK Crvena Zvezda | 2-2 | BSC Young Boys | |||
 World - Friendlies ( Cup ) |
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| 07/09/2023 21:45 | FT | Wales | 0-0 | South Korea | |||
| World - UEFA Europa League ( Cup ) |
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| 24/08/2023 21:30 | FT | Slovan Bratislava | 2-1 | Aris | |||
| Scotland - FA Cup ( Cup ) |
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| 30/04/2023 15:30 | FT | Rangers | 0-1 | Celtic | |||
| World - Euro Championship - Qualification ( Cup ) |
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| 25/03/2023 20:00 | FT | Israel | 1-1 | Kosovo | |||
 World - UEFA Europa Conference League ( Cup ) |
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| 23/02/2023 23:00 | PEN | Gent | 1-0 PS : 5-3 |
Qarabag | |||
 World - Friendlies ( Cup ) |
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| 19/11/2022 20:00 | FT | Turkey | 2-1 | Czech Republic | |||
 World - UEFA Europa League ( Cup ) |
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| 03/11/2022 23:00 | FT | Real Betis | 3-0 | HJK helsinki | |||
| 06/10/2022 19:45 | FT | FC Zurich | 1-5 | PSV Eindhoven | |||
 World - UEFA Nations League ( Cup ) |
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| 22/09/2022 21:45 | FT | Slovakia | 1-2 | Azerbaijan | |||
| World - UEFA Europa Conference League ( Cup ) |
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| 15/09/2022 22:00 | FT | Hapoel Beer Sheva | 1-2 | Villarreal | |||
 World - UEFA Champions League ( Cup ) |
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| 09/08/2022 20:00 | FT | Pyunik Yerevan | 0-2 | FK Crvena Zvezda | |||
| World - UEFA Nations League ( Cup ) |
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| 06/06/2022 21:45 | FT | Austria | 1-2 | Denmark | |||
| Scotland - FA Cup ( Cup ) |
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| 21/05/2022 17:00 | AET | Rangers | 2-0 | Heart OF Midlothian | |||
 World - UEFA Nations League ( Cup ) |
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| 24/03/2022 20:00 | FT | Estonia | 0-0 | Cyprus | |||
 World - UEFA Europa Conference League ( Cup ) |
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| 17/03/2022 20:45 | FT | FC Copenhagen | 0-4 | PSV Eindhoven | |||
| Scotland - FA Cup ( Cup ) |
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| 13/03/2022 15:30 | FT | Motherwell | 1-2 | Hibernian | |||
| Scotland - Premiership ( League ) |
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| 09/02/2022 22:45 | FT | Aberdeen | 2-3 | Celtic | |||
 World - UEFA Europa League ( Cup ) |
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| 09/12/2021 23:00 | FT | Marseille | 1-0 | Lokomotiv Moscow | |||
 World - World Cup - Qualification Europe ( Cup ) |
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| 09/10/2021 21:45 | FT | Luxembourg | 0-1 | Serbia | |||
| Scotland - Premiership ( League ) |
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| 26/09/2021 14:00 | FT | ST Mirren | 3-2 | Aberdeen | |||
| World - UEFA Europa League ( Cup ) |
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| 16/09/2021 22:00 | FT | PSV Eindhoven | 2-2 | Real Sociedad | |||
| World - World Cup - Qualification Europe ( Cup ) |
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| 05/09/2021 21:45 | FT | Germany | 6-0 | Armenia | |||
 World - UEFA Champions League ( Cup ) |
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| 18/08/2021 22:00 | FT | BSC Young Boys | 3-2 | Ferencvarosi TC | |||
| Scotland - FA Cup ( Cup ) |
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| 09/05/2021 16:15 | FT | ST Mirren | 1-2 | ST Johnstone | |||
| World - World Cup - Qualification Europe ( Cup ) |
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| 27/03/2021 22:45 | FT | Czech Republic | 1-1 | Belgium | |||
| Scotland - Premiership ( League ) |
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| 21/03/2021 15:00 | FT | Celtic | 1-1 | Rangers | |||
 World - UEFA Europa League ( Cup ) |
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| 25/02/2021 20:55 | FT | Ajax | 2-1 | Lille | |||
| Scotland - Premiership ( League ) |
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| 20/01/2021 23:15 | FT | Livingston | 2-2 | Celtic | |||
| 26/12/2020 15:30 | FT | Rangers | 1-0 | Hibernian | |||
 World - UEFA Champions League ( Cup ) |
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| 02/12/2020 20:55 | FT | Krasnodar | 1-0 | Rennes | |||
| World - UEFA Nations League ( Cup ) |
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| 14/11/2020 22:45 | FT | Switzerland | 1-1 | Spain | |||
| World - UEFA Europa League ( Cup ) |
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| 05/11/2020 23:00 | FT | Zorya Luhansk | 1-4 | AEK Athens FC | |||
| 29/10/2020 23:00 | FT | Slavia Praha | 1-0 | Bayer Leverkusen | |||
| World - UEFA Nations League ( Cup ) |
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| 03/09/2020 21:45 | FT | Russia | 3-1 | Serbia | |||
| Scotland - Premiership ( League ) |
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| 29/08/2020 19:30 | FT | Hamilton Academical | 0-2 | Rangers | |||
| 20/08/2020 21:30 | FT | ST Johnstone | 0-1 | Aberdeen | |||
 World - UEFA Europa League ( Cup ) |
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| 12/03/2020 20:55 | FT | Istanbul Basaksehir | 1-0 | FC Copenhagen | |||
| Scotland - Premiership ( League ) |
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| 04/03/2020 22:45 | FT | Livingston | 2-2 | Celtic | |||
| World - UEFA Europa League ( Cup ) |
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| 27/02/2020 20:55 | FT | Malmo FF | 0-3 | VfL Wolfsburg | |||
| Scotland - Premiership ( League ) |
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| 23/02/2020 16:30 | FT | ST Johnstone | 2-2 | Rangers | |||
| 26/12/2019 18:00 | FT | ST Mirren | 1-2 | Celtic | |||
| 21/12/2019 18:00 | FT | Kilmarnock | 0-1 | Motherwell | |||
| World - UEFA Europa League ( Cup ) |
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| 12/12/2019 20:55 | FT | Lask Linz | 3-0 | Sporting CP | |||
| 24/10/2019 19:55 | FT | AS Roma | 1-1 | Borussia Monchengladbach | |||
