Schoorel made his
ATP Tour singles main draw debut at the
2010 If Stockholm Open on hard courts in
Sweden. Having to earn his spot in the main draw by advancing through three qualifying rounds, Thomas proceeded to beat
Patrik Rosenholm 6–4, 6–4, followed by
Erling Tveit 6–7(2–7),
6–4, 6–4 and finally
Marcel Granollers 6–4, 7–5 to secure a main draw birth. In the first round, he would go on to be defeated by German
Benjamin Becker in straight sets
3–6, 0–6. He made his
ATP Tour doubles main draw debut at the
2008 Dutch Open in
Amersfoort, Netherlands when he was gifted entry as an alternate pair alongside compatriot Huib Troost. They were defeated in the first round by Russian duo
Teimuraz Gabashvili and
Denis Matsukevitch in straight sets
2–6, 4–6. Schoorel won the Dutch Tennis Masters in December 2010, beating
Thiemo de Bakker in the final. His two
ATP Challenger singles titles both came in April 2011 back to back on clay courts in Italy. First he defeated
Martin Klizan of
Slovakia 7–5, 1–6, 6–3 to capture the
Rome Challenger title, and then he defeated
Filippo Volandri of
Italy 6–2, 7–6(7–4) to claim the
Naples Challenger championship. Schoorel has reached 19 career singles finals, with a record of 10 wins and 9 losses which includes a 2–4 record in
ATP Challenger Tour finals. Additionally, he has reached 8 career doubles finals with a record of 4 wins and 4 losses which includes a 1–1 record in
ATP Challenger tour finals. He represents his native country
Netherlands when competing in the
Davis Cup, where he has a record of 2 wins and 1 loss in singles play. Schoorel is also student at the
Johan Cruyff College. ==ATP Challenger and ITF Futures finals==