Stolarczyk started his career with Polish seventh tier side Piast Chęciny.
Leicester City In 2017, he joined the youth academy of
Leicester City in the English
Premier League.
Loan to Dumfermline Athletic On 31 January 2022, Stolarczyk was sent on loan to Scottish second-tier club
Dunfermline Athletic. He made his professional debut for the club in a 1–1 draw against
Ayr United in the
Scottish Championship five days later. He was praised by the manager
John Hughes and fans for having a 'sensational' performance.
Loan to Fleetwood Town On 15 August 2022, Stolarczyk signed a new contract and was sent on a season-long loan to
EFL League One club
Fleetwood Town. On 23 August 2022, he made his debut for Fleetwood Town in a 1–0 loss to Premier League side
Everton in the second round of the
EFL Cup. He had 3 appearances in the
FA Cup, playing a pivotal part on leading up to the club's first-ever Fourth Round tie. However, as he never appeared in any league games, he was recalled by Leicester from his loan on 13 January 2023.
Loan to Hartlepool United On 23 January, he joined
EFL League Two club
Hartlepool United on loan until the end of the season. On 4 February, he was chosen over fellow goalkeeper
Ben Killip and made his club debut for Hartlepool in a 1–0 away win over
Doncaster Rovers in the league.
Return to Leicester City ’s match against
Charlton Athletic. On 9 August 2023, Stolarczyk made his Leicester City senior debut in a 2–0 away win against
Burton Albion in the first round of the
EFL Cup. He made his league debut in the
EFL Championship three days later in a 1–0 away win against
Huddersfield Town. In March 2024, Stolarczyk played for Leicester in their FA Cup quarter-final away defeat to
Chelsea and saved a first half penalty from
Raheem Sterling. In July 2024, it was announced that he would be sidelined for up to six months due to an ankle injury. On 27 December 2024, Stolarczyk made his Premier League debut in a 3–1 away loss against
Liverpool. At the start of the 2025–26 season, Stolarczyk was handed the number one shirt at Leicester. ==Career statistics==