By Rishi Iyengar
August 31, 2015

As tennis stars Marin Cilic and Serena Williams prepare to defend their U.S. Open titles on Monday (with Williams on track to complete a “calendar-year Grand Slam” by winning all four major tournaments within 12 months), Google’s logo is already engaged in a tense tennis battle with its g doing battle with one of the o twins on Monday’s Doodle.

The iconic tournament at New York City’s Flushing Meadows is the season’s final Grand Slam after the Australian Open, the French Open and Wimbledon, and Google is celebrating “the possibility of a historic moment at Arthur Ashe stadium” should Williams become the first woman to win all four consecutively since Steffi Graf in 1988.

Fortunately, as the company says, “Serena can’t hit a through-body lob like today’s ‘o.’”

Read next: What to Know Before the U.S. Open

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Write to Rishi Iyengar at rishi.iyengar@timeasia.com.

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