Having squandered one set point on the Tipsarevic serve, the set was left at 5-2 when the black clouds finally burst and play was suspended.

BBC: SPORT | Tennis | Rain delay halts Murray fightback

In the past few weeks, donations to Zach's cause -- the Children's Cancer Research Fund -- skyrocketed, as did downloads of his song, " Clouds, " which has more than 2.9 million page views on YouTube.

CNN: Teen featured in viral video dies

In the past few weeks, donations to Zach's cause -- the Children's Cancer Research Fund -- skyrocketed, as did downloads of his song, " Clouds, " which at the time of his death had more than 2.9 million page views on YouTube.

CNN: Teen featured in viral video dies