Martin Šulek

Trenčin

Šulek made his Fortuna Liga debut for AS Trenčín against Slovan Bratislava on 20 September 2015. In the same season, he scored his first goal for Trenčin in a 5–2 win over Žilina, scoring in the 12th minute. Šulek played a total of 144 league games for Trenčin, in which he scored five goals. In May 2022, Šulek signed for Polish side Wisła Płock.

Spartak Trnava

On 23 June 2023, it was announced Šulek would be joining Spartak Trnava, signing a two-year contract. He made his debut for the club in a 2–0 win over Železiarne Podbrezová, starting the match. Šulek’s first goal contribution came on 29 October 2023, in a league game against AS Trenčín assisting a goal scored by Philip Azango to increase the score to 3–2 in Spartak’s favor.

Ružomberok

On 11 July 2025, it was announced that Šulek would be leaving Spartak Trnava and would be joining Ružomberok. He made his debut for Ružomberok against his former club Spartak Trnava, coming on as a substitute in the 63rd minute for Adrián Slávik.

In January 2017, Šulek was called up for two unofficial friendly fixtures held in Abu Dhabi, United Arab Emirates, against Uganda and Sweden. He debuted on 8 January against the former, playing the first half before being replaced for Juraj Kotula at the beginning of the second half; Slovakia went on to lose the game 3–1. On 12 January, Šulek also played an entire match against Sweden in a 6–0 defeat.

AS Trenčín

Slovak First Football League: 2015–16 Slovak Cup: 2015–16 Spartak Trnava

Slovak Cup: 2024–25 Individual

Slovak First Football League U-21 Team of the Season: 2019–20