Hello, I'm Jonas

aka tennisnerd

Who is tennisnerd?

Jonas Eriksson is a marketeer, writer and founder of Tennisnerd

Tennisnerd.net is the number one information source for tennis fanatics. There you can find racket and string unbiased and balanced opinion reviews, tips and tricks, real info about what the pro tennis players use. 

Jonas plays tennis semi-competitively a few times a week and writes about tennis with the outmost passion.

DAHCOR and Tennis Nerd have their goals totally aligned: help and inspire tennis players to elevate their game and enjoy the sport even more, and that’s why we partnered up and developed a racket for all the true tennis nerds out there!

dahcor K97S custom



I was very impressed by the way it looked. The racket felt solid, the paint seemed to be of high quality and it felt very nice in the hand.

DAHCOR frames come equipped with an NFC chip and each racket has a unique link with its specs and other informations about the racket – creating a truly “handmade” experience.

When I scanned my racket with the NFC reader I got the following specs:

how it plays?

I was not alone in testing this racket. I let three players, better than myself, hit with this stick and they were all pretty positive.

The racket comes with silicone in the handle, lead tape at 12 o’clock and has a proper “Pro Stock racket feel”. I really thinkI could hand this racket to Tsitsipas or Federer (they both play with somewhat similar specs) and they would be quite comfortable with it from the get-go.

What I immediately noticed was that the racket really impacted the ball with force, not dissimilar to a Wilson Pro Staff RF97 Autograph, but it felt faster through the air and a bit more comfortable. The lower stiffness does make it a bit less powerful than the RF97A, but I personally don’t mind that at all. Less power = more control.

about the specs

Ricardo Dahcor (the owner) must have high hopes about my tennis level because a 347 swing weight is no joke . I don’t mind high SWs, but this got me a bit worried that it would be difficult to maneuver. But somehow the racket moves quite effortlessly through the air and when it contacts the ball it does so with authority.

The racket came strung with a DAHCOR Hybrid Strings, two poly strings, Black in the mains and Silver in the crosses. For this test, I also re-strung it with HEAD Hawk Touch at 23kg since I had never tried DAHCOR strings before and wanted a familiar aspect of the racket.

Somehow this racket really begged to be swung fast and hard. I don’t know why really. I just had this feeling that I wanted to really blast the ball. And the racket obliged with some nice winners over and over again. Yes, when I am defending, the weight and smaller sweet spot make it more difficult, but when I am attacking this racquet felt like a winner.

The DAHCOR Tennisnerd racket is made for the attacking player who likes to dominate their opponents. Yes, I got one that is customized to be heavier than the normal K97S spec, but the characteristics would apply also with a lower swingweight. I think it offered a nice combo of abilities: decent comfort (65 RA unstrung so 62 RA strung approx), solid on impact, maneuverable, quite powerful and especially nice on slice and flatter shots.


This review left me very positive about DAHCOR as this racket played way above my expectations.





Great for attacking players


Smaller sweet spot

You need a good footwork

Tougher to defend with

I could definitely switch to this racket for tournament play. I felt it focused my game around my strengths and made me attack the ball more, which is the style that comes most naturally to me.