The Tennis Channel got a few players to say the most romantic line in French that they know and we had some good ones with Maria Sakkari leading the pack.
French is popularly considered the language of love with Paris called the City of Love. Most player that part in the challenge had the simple one 'I love you' but some added a bit of spice to it. Medvedev added a few more words as a fluent French speaker, and so did Djokovic who showed off his joking nature quite well.
Maria Sakkari probably wins with her line which you can see below. Check out the fun segment.