Dan Evans celebrated becoming the British number one with a hard-fought win over Australian Bernard Tomic at the Stockholm Open.
Evans, 29, replaced Kyle Edmund as the nation's leading men's player earlier on Monday, 18 months after being unranked following a drugs ban.
He marked becoming the 13th man to achieve the feat with a 6-4 1-6 6-3 win over former world number 17 Tomic.
Eighth seed Evans faces Norway's Casper Ruud or Serb Filip Krajinovic next.