STEFANOS TSITSIPAS' girlfriend Paula Badosa gave his father the side eye during the Greek's clash against Andy Murray.
The mouthwatering tie will have to be settled on Friday play was paused at 10:40pm.
Tsitsipas started the match well and won the first set via a tie break after both players held their service games.
But his success did not stop his partner Badosa from giving his dad Apostolos the side eye as they sat in the family box.
Apostolos appeared to say something as he turned around and glanced at Badosa, leading the Spaniard to stare back.
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She briefly looked back to the court before once again giving Apostolos the side eye, sparking speculation amongst fans that there is animosity between the pair.
One fan wrote: "Ooh there’s a war between them."
Another added: "Keeping up with the Tsitsipas' ????"
A third said: "I guess she doesn’t like him a lot."
And another commented: "This is going to end in tears."
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Like Tsitsipas, Badosa won her Wimbledon first-round tie against Alison Riske-Amritraj, beating her opponent 6-3 6-3.
But she had little to cheer after the first set as Murray levelled things up by winning a second-set tie-break before taking the third set 6-4.
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