Couples that score massive Wimbledon upsets together, stay together? First on Monday, it was Donna Vekic stunning French Open finalist Sloane Stephens 6-1, 6-3.

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Later in the day, her boyfriend Stan Wawrinka scored his own upset by taking out No. 6-seeded Grigor Dimitrov 1-6, 7-6 (3), 7-6 (5), 6-4. He then took to social media to share his good news, copying Vekic's pose, emojis and caption.

"I think it was a good day for us at the office, that's for sure," Wawrinka said. "Was great match from her. I watch it from home before coming back for my match. It's been good for us today."

Vekic was in the stands to watch the 33-year-old score his biggest win of 2018 and his first over a Top 50 player since making his return to the tour.

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The two have been dating for three years. Vekic recently celebrated her 22nd birthday with Wawrinka by her side.

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Wawrinka will next take on Thomas Fabbiano while Vekic will face Rebecca Peterson.