Marek Semjan

Marek Semjan (; born 7 November 1987) is a Slovak tennis player playing on the ATP Challenger Tour. On 30 August 2010, he reached his highest ATP singles ranking of 218.

Career He won over top seed Fernando Verdasco at the 2012 UniCredit Czech Open in Prostějov in three sets 6–4, 6–7 (5–7), 6–4.

Challenger finals Legend ATP Challenger Tour (2–2)

Singles: 2 (0–2)

OutcomeNo.Date (Final)TournamentSurfaceOpponent in the finalScoreRunner-up 1. 1 August 2010 Saransk, Russia Clay Ivan Sergeyev 6–7(2–7), 1–6Runner-up 2. 14 August 2010 Samarkand, Uzbekistan Clay Andrej Martin 4–6, 5–7

Doubles: 2 (2–0)

Outcome No. Date Tournament Surface Partner Opponents in the final ScoreWinners 1. 23 November 2008 Yokohama, Japan Hard Tomáš Cakl Brendan Evans Martin Slanar 6–3, 7–6(7–1)Winners 2. 12 June 2010 Košice, Slovakia Clay Miloslav Mečíř Jr. Ricardo Hocevar Caio Zampieri 3–6, 6–1, [13–11]