389 in the world, he made it to the final of the Challenger Tour event in Lugano, Switzerland, where he lost to Dominic Stephan Stricker.

In July, he made another Challenger final in Perugia, Italy losing to Tomas Martin Etcheverry in singles.

At the same tournament, he took his revenge, winning his third Challenger doubles title for 2021 by defeating the Argentinian pair Tomas Etcheverry/Renzo Olivo, partnering Dominic Stricker.

265, in July, he qualified for his second ATP singles main draw at the 2022 Generali Open Kitzbühel as a lucky loser where he lost to Dusan Lajovic.

[8][9] Sergio Martos Gornés Sachko's record against players who have been ranked in the top 10 (as of 27 October 2020):