Klaudijus Upstas
| Date of birth | 30 October 1994 |
| Place of birth | Kaunas |
| Nationality | Lithuanian |
| Weight | 72 kg |
| Height | 1.78 m |
| Position | Defender/Midfielder |
International stats
| Season | Team | Competition | Apps | Subs | Goals | Y | R |
|---|---|---|---|---|---|---|---|
| 2022-23 | Lithuania | Baltic Cup | 1 | 1 |
|||
| 2022-23 | Lithuania | International Friendly | 1 |
1
|
|||
| 2022-23 | Lithuania | UEFA European Championship | 1 |
||||
| 2023-24 | Lithuania | Baltic Cup | 1 |
||||
| 2023-24 | Lithuania | UEFA European Championship | 1 |
||||
| 2023-24 | Lithuania | UEFA Nations League | 1 |
||||
| 2024-25 | Lithuania | FIFA World Cup | 1 | ||||
| 2024-25 | Lithuania | International Friendly | 1 | ||||
| 2025-26 | Lithuania | FIFA World Cup | 2 | 1 |
|||
| 2025-26 | Lithuania | International Friendly | 2 |
Please note: Career stats are based on performances in the Premier and Football Leagues and (in most cases all) internationals.
International matches
| Date | Match | Result | Competition | Round | |
|---|---|---|---|---|---|
| 16 Nov 2022 | Lithuania v Iceland | L | 0-0 (5-6) | Baltic Cup | Semi-final |
| 19 Nov 2022 | Estonia v Lithuania | L | 2-0 | Baltic Cup | 3rd place play-off |
| 27 Mar 2023 | Greece v Lithuania | D | 0-0 | International Friendly | |
| 17 Jun 2023 | Lithuania v Bulgaria | D | 1-1 | UEFA European Championship | Qualifying group G |
| 16 Nov 2023 | Montenegro v Lithuania | L | 2-0 | UEFA European Championship | Qualifying group G |
| 21 Mar 2024 | Gibraltar v Lithuania | W | 0-1 | UEFA Nations League | Play-off 1st leg |
| 08 Jun 2024 | Latvia v Lithuania | W | 0-2 | Baltic Cup | Semi-final |
| 07 Jun 2025 | Malta v Lithuania | D | 0-0 | FIFA World Cup | Europe group G |
| 10 Jun 2025 | Denmark v Lithuania | L | 5-0 | International Friendly | |
| 04 Sep 2025 | Lithuania v Malta | D | 1-1 | FIFA World Cup | Europe group G |
| 07 Sep 2025 | Lithuania v Netherlands | L | 2-3 | FIFA World Cup | Europe group G |
| 17 Nov 2025 | Netherlands v Lithuania | L | 4-0 | FIFA World Cup | Europe group G |
| 26 Mar 2026 | Moldova v Lithuania | W | 0-2 | International Friendly | |
| 29 Mar 2026 | Lithuania v Georgia | L | 0-2 | International Friendly | |
Please note: Match history is complete for the Premier and Football Leagues and (in most cases all) internationals.