Notable Changes
- Steve Johnson takes over the No. 2 spot from Sam Querrey.
- Jared Donaldson makes his debut on the Top 15 List at No. 15 with the aid of his maiden challenger title at the $50K Maui over fellow first-time American finalist Nicolas Meister (former UCLA Bruin).
- Ryan Harrison is back on the list at No. 11 with the Happy Valley Challenger title run.
- Alex Kuznetsov and Jarmere Jenkins are bumped off the list despite minimal changes from the January ATP rankings.
