Friendly fire opens the Davis Cup semifinal in Glasgow tomorrow.
British No. 1 Andy Murray faces friend and sometime doubles partner Thanasi Kokkinakis in Friday's opening singles.
"A great player and huge opportunity," said Kokkinakis, who will face Murray for the first time. "I'm looking forward to it."
More: Rookies Are Singles Starters for USA
Australian No. 1 Bernard Tomic takes on Dan Evans in Friday's second singles.
Team GB is continuing its quest to win its first Davis Cup championship since 1936.
Former No. 1 Lleyton Hewitt and Sam Groth are scheduled to play Great Britain's Jamie Murray and Dominic Inglot in the doubles on Saturday.
Murray meets Tomic in the opening reverse singles with Evans vs. Kokkinakis scheduled to close the best-of-five match semifinal on Sunday.
The third-ranked Scot has not dropped a set against Tomic in two prior meetings.
Devoted serve-and-volley Groth had a close brush with the ball in practice. Watch Groth nearly get nailed in the face with this passing shot.
Photo credit: Tennis Australia