John Isner retained his title as the year-end ace leader, with 1,032 (11,944 career). Reilly Opelka came in a close second, having hit over 1,000 aces in a year for the first time in his career.

Read more on the ATP website.
Article on Reilly reaching 1k aces

Topnotch clients Bradley Klahn, Shelby Rogers, and Reilly Opelka dish on their favorite courts in the world. Plus, Grand Slam Tennis Tours' Kyle Ross gives some insight into fans' preferences.

Reilly Opelka claimed his maiden ATP title this Sunday at the ATP 250 New York Open. The win propelled him 33 spots up the rankings to a career-high ranking of No. 56. Congratulations, Reilly!

Media coverage:
ATP Tour: Opelka Serves Up Maiden Title In New York
ATP Tour: Opelka Soars To Career-High, Mover of the Week
ATP Tour: First-Time Winner Spotlight: Reilly Opelka
TENNIS: Opelka, Isner set ace record en route to Opelka's first ATP title
TENNIS: Reilly Opelka loses match points, but never his serve, for first title
​ESPN: Reilly Opelka beats Brayden Schnur in 3 sets to win New York Open
New York Times: Reilly Opelka Continues Rise With First ATP Title at New York Open
Flagler Live: With Shout-Out to Grand Haven, Palm Coast's Opelka Wins 1st ATP Tour Tennis Title and Vaults to 56th in the World

Reilly Opelka lifted his second Challenger Tour trophy in as many weeks today, defeating Topnotch Management's Ryan Shane for the 2018 JSM Challenger title. 

Ryan Shane recorded many successes in addition to reaching the finals, among them his first Top 100 win and his first ATP Challenger Tour quarterfinal and semifinal wins. Shane leapt 183 spots in the ATP rankings for a career-high ranking of No. 394. Overall a great week and great achievement for Ryan—congratulations!

Reilly Opelka enters the ATP Top 100 for the first time on Monday (No. 98). This comes after being ranked No. 173 in September. Since the US Open, he has reached four finals in just six tournaments. Congratulations, Reilly!