Sedlacek, Karel

Sedláček qualified for the 2014 BDO World Darts Championship playing Paul Hogan in the preliminary round, losing 1–3. He qualified for the 2014 BDO World Trophy, won in the first round 6–1 over Robbie Green, then lost in the last 16 to Paul Jennings 2–7. He qualified for the 2015 BDO World Darts Championship, playing Paul Coughlin in the preliminary round; he won 3–2. He lost 1–3 to Glen Durrant in the first round, with the highest average - 99.58 - in all the first round matches, and the third-highest average for a match loser in Lakeside history.

In 2018 Sedláček qualified for the Dutch Darts Championship in Maastricht. He won the East European qualifier to qualify for the 2019 PDC World Darts Championship, his first qualification for that event.

Following a 3–0 defeat to Keegan Brown at the World Championship, he went on to qualify for the 2019 German Darts Grand Prix in Munich. Wins over Diogo Portela, Ian White and Darren Webster saw Sedláček reach the quarter-finals, where he went down 6–5 to Max Hopp.

Sedláček was also able to qualify for his home tournament, the 2019 Czech Darts Open, where he was eventually beaten in the second round 6-4 by Ian White.

On 18 January 2020, he beat Berry van Peer in the final of day three at European Q-School to win a PDC Tour Card for the first time. Sedláček will play on the ProTour in 2020 and 2021.

At the UK Open 2021 Sedláček won 6:0 straight against Rhys Griffin but was then eliminated 7:10 against Simon Whitlock. But Sedláček was denied another Major participation. On the PDC Pro Tour Sedláček reached at most the last 16 whereupon he lost his Tour Card and has to start at Q-School 2022. As a former Tour cardholder he started in the final stage, but he didn't win his Tour Card back.