On this episode of Nothing Major, John Isner, Sam Querrey, and Stevie sit down with rising Belgian star Alexander Blockx to talk junior success, winning the 2023 Australian Open junior title, his growth spurt, early pro breakthrough moments like Davis Cup vs. Berrettini, the Madrid Masters run, his love of serve-and-volley in big moments, and why Thiem was a childhood favorite.

Blockx also shares how “Block X” became his nickname, his favorite and least favorite tour stops, and a viral celebrity encounter in Estoril.

After the interview, the guys debut a tennis celebrity tier list segment featuring Shelton, Tsitsipas, Mannarino, Sinner, Heliövaara, Fritz, Monfils, Alcaraz, Zverev, and Ethan Quinn.

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00:00 Show Intro and Teasers

00:33 Halloween Tennis Horror Stories

01:01 USTA Match Update and Banter

01:33 Meet Alexander Blockx

03:34 Junior Rise and Growth Spurt

08:26 How Blockx Got His Nickname

10:16 Davis Cup Welcome Moment

13:25 Madrid Breakthrough and Mindset

14:46 Serve and Volley in Big Moments

15:44 Thiem Inspiration and Hair Talk

19:54 Favorite Tournaments and Travel Life

23:42 US Open Money and Airline Miles

28:59 Belgian Tennis Crew and Locker Room

30:18 Team Vibes and Rivalry

31:01 Celebrity Moment

31:47 Starstruck Match Story

34:17 Viral Photo Aftermath

34:48 Interview Wrap and Reactions

35:33 Celebrity Tier List Rules

36:34 Shelton and Tsitsipas Ratings

39:18 A Listers

40:57 Fritz and Monfils Debate

42:36 Alcaraz and Zverev

44:10 Ethan Quinn

45:36 Signoff