Djokovic, who was already a group winner, won on Friday versus Daniel Mercedes, who no longer had a chance for the semi-finals, 6: 3, 6: 7 (5: 7), 7: 6 (7: 2).
For Ruble, the first jump is amongst the leading four when taking part.
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ATP Finals: Naval Siegt-Fritz in the semi-finals
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The five-time Novak Djokovic (Serbia) and Taylor Fritz champion from the United States are dealing with each other in the second initial battle. Fritz starts for the very first time at the trip final endowed with $14.75 million.
Bitter for the previous world ranking Mercedes: He lost each of his 3 group games in the tiebreak of the choice sentence.
Andrey Ruble was the last gamer to enter into the semi-finals at the ATP finals of the tennis experts in Turin. The 25-year-old dominated in the last for the second group place versus the Greek Stefano Tsitsihar, tournament winner from 2019, 3: 6, 6: 3, 6: 2 and meets the Norwegian Casper Rued on Saturday.