Latest posts by Jonas Eriksson
Dunlop SX Racquet Review
The Dunlop SX series of racquets is out and it is all about spin. And like most spin-focused racquets, they are yellow. Here is my Dunlop SX racquet review. Spin generation is important in tennis. It will allow you to hit with bigger margins and more racquet head speed. To maximize spin potential there are […]
Matteo Berrettini’s Racquet – Player Profile
Updated 1 June 2026Matteo Berrettini is often called the “Hammer” thanks to his big serve and forehand combo. But what is Matteo Berrettini’s racquet? Berrettini’s tennis racquet Berrettini’s racquet looks like a HEAD Extreme MP, but most pros play with pro-stock racquets painted like the latest retail model. Berrettini actually uses a HEAD Extreme pro […]
Alexander Zverev’s Racquet – Player Profile
Updated 21 September 2026Alexander Zverev is currently experiencing the best season of his career in 2026 with two Grand Slams. But what is Alexander Zverev’s racquet? Alexander Zverev’s Racquet Zverev endorsed the HEAD Speed line until 2019. But HEAD claims to have made the HEAD Gravity Pro (read my review here) for him. He is still […]
String Project Gold and Magic String Review
I have been enjoying two strings from the new Italian brand String Project. A multifilament called Gold and a monofilament called Magic. Here is my review. I did write about these strings briefly before, but since I have been enjoying them so much, I wanted to create a more in-depth review. This also includes a […]
What is Your Racquet? Daniel Rutkowski
I am testing a new format on Tennisnerd called “What is your racquet?” The idea is for players to share their racquet specs and look at why they chose them. First up, Daniel Rutkowski. If you would like to feature your racquet and why you chose it on “What is your racquet”. Please write to […]
Gear of the Year 2019: Racquets
What are the best racquets of 2019? Here is the yearly Tennisnerd post Gear of the Year 2019 to tell you. 2019 was a busy year for Tennisnerd. The competition in the market place is increasing for both strings and racquets, which means more new releases at a higher rate. It is simply tough to […]
Stefanos Tsitsipas Racquet – Player Profile
Updated 21 Aug 2026Stefanos Tsitsipas is by far the best Greek player on tour, with a career high rank of 3 (Aug 2021) and 13 ATP titles. Do you wonder what racquet and strings Tsitsipas uses? This post deals with Stefanos Tsitsipas racquet specs and some player details that can be interesting. Tsitsipas Racquet Specs […]
Mayami Strings
Mayami Strings is a new tennis string brand based in Ukraine. They create strings focused on durability, control, and spin. Review to come. Mayami Strings already have quite a big line-up of tennis strings: Tour Hex, Big Spin, Hit Pro, Hepta Power, and Magic Twist. I have received samples of all of the strings, but […]
New HEAD Prestige Racquets
I have had the fortune to play-test the new HEAD Prestige racquets over a period of a couple of weeks. In short, this is a great update. The HEAD Prestige is one of the more iconic racquet lines of all time. It has been played by many, many pro and recreational players of the years. […]
Tennis Pointer Review
I am not sure you have heard about the tennis pointer, but it is a training tool developed by Jiri Bartos who used it to coach top boys player Jonáš Forejtek. The video of Forejtek hitting with the tennis pointer went viral so there was apparently interest around this tool which pretty much looks like […]