Jan Holldack

Brentford Holldack moved to England to sign a two-year Development Squad contract with Championship club Brentford on 1 July 2015. After featuring regularly during the 2016–17 pre-season, a spate of injuries saw Holldack called into the first team squad for the opening match of the season versus Huddersfield Town. He remained an unused substitute during the 2–1 defeat and made the first senior appearance of his career with a start in the following match, playing at right back in a 1–0 EFL Cup first round extra time loss to Exeter City on 9 August 2016.

After a period on trial with Sportfreunde Lotte at the club's winter training camp and featuring as an unused substitute during a 3. Liga match, Holldack moved on loan to Regionalliga West club Wuppertaler SV until the end of the 2016–17 season on 20 January 2017. He made his debut with a start versus Fortuna Düsseldorf II on 10 February and scored the first senior goal of his career in the 5–1 victory. but after failing to win any further first team call ups,

KFC Uerdingen 05 On 31 August 2017, Holldack returned to Germany to join Regionalliga West club KFC Uerdingen 05 on two-year contract. In what remained of the 2017–18 season, he made 26 appearances, scored two goals and celebrated promotion to the 3. Liga after victory in the Regionalliga promotion play-offs. Holldack made 19 appearances and scored one goal during the 2018–19 season and was part of the club's Lower Rhine Cup-winning squad. He was released in June 2019, after making 45 appearances and scoring three goals for the club. He made 15 appearances and scored three goals before his departure in January 2020.

VfR Aalen On 11 January 2020, Holldack transferred to Regionalliga Südwest club VfR Aalen on an 18-month contract. After making three early-2020–21 season appearances,

Rot Weiss Ahlen In October 2020, Holldack transferred to Regionalliga West club Rot Weiss Ahlen. During what remained of the 2020–21 season, he made 28 appearances and scored five goals and departed the club at the end of the campaign.

RC Grasse On 21 July 2021, Holldack transferred to French Championnat National 2 club RC Grasse. Three weeks later, personal issues saw him depart the club.

Return to Rot Weiss Ahlen In August 2021, Holldack returned to Regionalliga West club Rot Weiss Ahlen and signed a two-year contract. He made 29 appearances and scored 9 goals during a mid-table 2021–22 season. Holldack's desire to leave the club during the 2022 off-season saw him frozen out of the squad, though he returned to the team for the opening match of the 2022–23 season. Holldack departed the club in May 2023 and made 84 appearances across his two spells, scoring 24 goals. Holldack signed a new "long-term" contract in June 2024 and was named captain one month later. He made 33 appearances and scored 13 goals during a mid-table 2024–25 season. After 18 further appearances goals during the first half of the 2025–26 season, He made 84 appearances and scored 19 goals during years at the Stadion am Hünting.

International career Holldack won two caps for Germany at U18 level, appearing in matches versus Moldova U19 and Serbia U18 during a friendly tournament in Israel in December 2013.

Personal life During his second spell with Rot Weiss Ahlen, Holldack shared a flat with teammate Andreas Ivan. Championship

Sportfreunde Lotte (loan)

2022–23 Regionalliga West 16 3

2 0 18 3

76 16

8 3 84 19

2025–26 Oberliga Westfalen 10 1

10 1 2026–27 Westfalenliga Group 1 1 1

1 1

11 2

11 2

237!!50!!0!!0!!1!!0!!21!!7!!259!!57

Honours KFC Uerdingen 05 Regionalliga promotion play-offs: 2018 Lower Rhine Cup: 2018–19