The Montreal native extended his winning streak to 14 matches.
The Canadian has continued his excellent form in the Swiss capital.
After suffering eight consecutive losses in finals, he has won three out of his past four title matches on the Tour.
Three spaces are still available for the season-ending event but who will get them?
Canada's top player sheds some light on his current game during an exclusive interview with Ubaldo Scanagatta.
After suffering four consecutive defeats, John McEnroe's Team World have won the competition.
The Canadian is through round one after beating his Swiss opponent in four tight sets.
The world number nine was able to beat the Brit in straight sets to make up for losing to him last week in Los Cabos.
The Montreal native made his return to IGA Stadium with a win over his Japanese opponent.
The Canadian is through to the final four of the tournament after beating the American in straight sets.
The Canadian won his first ever match at the Mexican event over a local favorite to reach the quarterfinals.
The Canadian is through to the second round after a tricky three set win in his opening match.
Felix Auger-Aliassime will meet Alexander Zverev in the Madrid quarter-finals.
After losing to his Canadian rival last week, Rublev has turn the tables to win his first Tour title in almost a year.
Felix Auger-Aliassime was the main focus in the latest rankings that were released on Monday after winning Rotterdam.
The Canadian controlled the game from start to finish en route to winning the trophy.
Sunday's final will see Auger-Aliassime bid to win his maiden Tour title. Meanwhile, Tsitsipas will be seeking to claim his first at a ATP 500 event.
Auger-Aliassime is among four seeded players to reach the last eight in Rotterdam.
The Canadian managed to pull off an impressive comeback against his Belorussian opponent to reach the next round.
Daniil Medvedev saved match point and came from two sets to love down to defeat Felix Auger-Aliassime and reach the Australian Open semi-finals.