Top seed Roger Federer coasted into the second round of the Swiss Indoors Basel with a 6-1 6-3 win over Frances Tiafoe.
It means he is the 4/6 market leader now with Sky Bet to claim the title and secure another victory on home soil.
The world number two wasted little time asserting his authority over the 19-year-old American wildcard, breaking in the opening game before racing into a 4-0 lead.
Tiafoe regained some composure for the second set, which went with serve until Federer, who beat Rafael Nadal to win the Shanghai Rolex Masters and is chasing what would be an eighth title in his hometown, broke in game eight and closed out victory in just over an hour.
Tuesday’s late match saw second seed Marin Cilic progress against lucky loser Florian Mayer after the German retired at the start of the second set, trailing 6-3 with Cilic trading at 13/2 for outright glory.
Earlier, third seeded Belgian David Goffin (10/1) beat Peter Gojowczyk of Germany 6-2 7-5 while Jack Sock (25/1), the American number five seed, came through in three sets 3-6 7-6 (9-7) 7-5 against Vasek Pospisil of Canada.
Frenchman Benoit Paire put out Steve Johnson of the United States 6-3 7-6 (7-4) to set up a second-round match against Federer.
Number eight seed Mischa Zverev, though, is out after the German lost 7-5 7-5 against Argentina’s Leonardo Mayer. American Ryan Harrison beat Alexandr Dolgopolov of the Ukraine 6-4 6-1.
At the Erste Bank Open in Vienna, home favorite and second seed Dominic Thiem booked his place in round two with a 6-4 6-3 win over Russian Andrey Rublev.
The late match saw number four seed Pablo Carreno Busta of Spain defeated Argentine qualifier Guido Pella 6-2 7-6 (9/7) in one hour and 48 minutes.
Sixth seed Sam Querrey of the United States is out after he lost 3-6 7-6 (9/7) 7-6 (7/3) to Albert Ramos in a match which lasted just short of three hours.
South Africa’s number seven seed Kevin Anderson also suffered a first-round loss after he went down 6-4 6-4 to Spaniard Guillermo Garcia-Lopez.
Kyle Edmund of Great Britain progressed after his 6-2 7-6 (7/5) win against David Ferrer, while there was more home success as Austrian Dennis Novak defeated Italy’s Thomas Fabbiano 7-6 (7/4) 7-5.
Sebastian Ofner, though, is out after his 6-3 6-4 first-round defeat to France’s world number 25 Lucas Pouille, while Germany’s Jan-Lennard Struff beat Pablo Cuevas of Uruguay 7-5 6-1.