We publish free betting tips for grand slam tennis, here's how we did on the opening day's play.

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AUSTRALIAN OPEN TENNIS: DAY ONE MATCH TIPS

Jelena Ostapenko to beat Maria Sakkari at 6/4: lost, 1-2
Belinda Bencic to beat Katerina Siniakova at 4/5: WON, 2-1
Kyle Edmund to beat Tomas Berdych at 9/5: lost, 0-3
Tennys Sandgren to beat Yoshihito Nishioka at 6/5: lost, 1-3

LW