Ntab had its first international success at the 2014 Junior World Championships in Bjugn . There he won the bronze medal in the 2 x 500 m run and also achieved tenth place over 1000 m. In November 2014 he made his debut in Seoul in the Speed Skating World Cup , taking first place in the B World Cup over 500 m and ninth place in the A World Cup over 500 m. In the 2016/17 season he won his first World Cup victories with a total of three victories over 500 m each in Astana and Stavanger , winning the World Cup over 500 m. In the following season he achieved seven top ten placements over 500 m, including third place in Salt Lake City and second place in Minsk, eighth place in the World Cup over 500 m.
At Dutch championships, Ntab won twice over 500 m (2017, 2018) and once each in the all-around event (2017) and in the sprint all-around event (2018).
Personal bests
500 m 34.15 sec. (installed on December 9, 2017 in Salt Lake City)
1000 m 1: 08.41 min. (installed on December 10, 2017 in Salt Lake City)
1500 m 1: 50.56 min. (installed on March 22, 2015 in Calgary)
3000 m 4: 24.35 min. (installed on December 15, 2011 in Heerenveen)
Netherlands
Astana
Stavanger