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Studio portrait of Ashley Kakiay and Sebastiaan van Teeffelen in their karate gi

Exclusive interview

Sebastiaan van Teeffelen & Ashley Kakiay: two careers, one dream

Exclusive: the Dutch national-team couple on training together and chasing European and World medals side by side.

By The Karate Dojo 9 min read

Sebastiaan van Teeffelen and Ashley Kakiay both pull on the Dutch national-team gi, both train at Kenamju in Haarlem, and both have spent most of their lives chasing the same thing: a medal at a European or World Championship. They are also a couple. They met through karate in 2018, started dating in 2023, and have built a life where the sport and the relationship are completely intertwined. In an exclusive interview with The Karate Dojo, they answered our questions together, and then each on their own.

Black and white portrait of Ashley Kakiay and Sebastiaan van Teeffelen back to back
Ashley Kakiay 20
Sebastiaan van Teeffelen 21
Kenamju, Haarlem
Club
Kenamju, Haarlem
Kumite -61 kg
Category
Kumite -75 kg
Patient, raises the tempo
Style
Attacking, strong legs
Series A silver, A Coruña (2026)
Best result
World U21 bronze (2022)
European or World Championship podium
The dream
European or World Championship medal

Together, on the mat

How did you meet, and when did you know that karate and your relationship would really go together?

We have known each other since 2018 through karate. We saw each other at competitions and stayed in touch on social media. In 2023 we got together. The fact that we do the same sport is actually a huge plus for us. We understand each other’s lifestyle and we know what it takes. That lets us genuinely help each other grow to a higher level.

What is the best part, and what is the hardest part, of a relationship where you are both serious about elite sport?

The best part is that you get to live all the good moments together. We train together a lot, and when one of us performs well, we are both thrilled about it. You know what you give up for it, and getting to experience that together is really special.

The hardest part is our packed schedule. We both study, we work on top of that, and we are elite athletes as well. So we do not get much free time together, but honestly that rarely bothers us.

Ashley Kakiay lands a head kick at the World Championship qualification tournament in Paris
Ashley Kakiay lands a head kick at the World Championship qualifier in Paris. Courtesy of the athletes

Do you train together? Who is the more fanatical of the two, and how do you push each other?

We definitely train together. Sebas is the one who can train the hardest. Training together helps us enormously, even though we are not in the same weight class and not the same gender. We are both good in our own category and we only get better off each other. We both score on one another, and neither of us ever wants to lose to the other.

What is it like standing beside the mat while the other one fights, and how do you pick each other up after a loss?

Sebas is often more nervous when Ashley fights than he is before his own matches. Cheering each other on from the stands is great fun, especially when the tournament is going well.

Ashley regularly gets angry when she loses, especially when she knows it was avoidable. In those moments she needs a little time to process it, and then to learn from her mistakes. Sebas has become much better over the years at dealing with defeat. He used to walk off after a lost bout and nobody would know where he had been for a couple of hours.

Sebas is often more nervous when Ashley fights than he is before his own matches.

Sebastiaan & Ashley

You describe yourselves as two driven athletes with a big dream. What does that dream look like exactly?

Our dreams are mostly about the big senior tournaments: the European and World Championships. Winning a medal there is what we train hard for every single day.

Together, off the mat

With sebasenashley.nl you are building your own platform, with a magazine and a community. Why was it important to set that up together?

We like trying things that are not done very often yet. As an athlete it is important to be visible to potential sponsors, and we wanted to be able to offer something special. With our website, our WhatsApp community and a magazine for our sponsors, we try to be original and to keep the people who are interested in our journey up to date.

Elite karate is demanding, financially and mentally. How do you combine sponsorship, crowdfunding and everything around it with training and performing at the top?

Without sponsors it is almost impossible to travel to all the international competitions you need to reach the top. So we are always looking for sponsors, and we try to set up initiatives that genuinely give something back to the people and companies that support us.

Sebastiaan van Teeffelen and Ashley Kakiay holding their awards as Haarlem's Sports Talents of 2024
With their awards after being named Haarlem's Sports Talents of 2024.

What do you want people to take away when they follow your journey?

We really enjoy people’s involvement and we appreciate it enormously. Above all we hope to inspire young people to keep training hard and to never give up when results do not go their way for a while.

What does a day with no karate look like? How do you switch off?

Usually we are on the couch together watching a series, or we go out somewhere nice to eat.

Ashley Kakiay and Sebastiaan van Teeffelen in wetsuits on holiday in Bonaire
Off the mat: diving together on Bonaire.

Sebastiaan van Teeffelen

How did you start karate, what category do you compete in, and how would you describe your own style?

I started karate when I was seven, in Zwanenburg. At nine I joined the competition group at Kenamju, and since then I have done more and more competitions. I compete in the -75 kg category. My fighting style is attacking, with strong leg techniques and fast hand techniques.

Sebastiaan van Teeffelen matside at the Karate1 Premier League in Istanbul
Focused matside at the Karate1 Premier League in Istanbul. Courtesy of the athletes

What is the biggest sacrifice you have made for the sport?

I cannot point to one specific sacrifice. It is mostly everything together. From a young age you train a lot, structurally, and so you automatically give up a lot of other things.

Sebastiaan van Teeffelen in action at the World Combat Games in Riyadh
Sebastiaan van Teeffelen on his way to World Combat Games U21 bronze in Riyadh. Courtesy of the athletes

Your biggest high and your hardest setback so far, and what you learned from them?

My biggest high is the bronze medal at the World Under-21 Championships in 2022, when I had just turned eighteen.

My hardest setback is losing three semifinals at a European Under-21 Championships, which meant I never reached a European final. That taught me how small the margins are at the top, and how much you have to keep investing to finally take that step.

Your main goal for the coming season, and your long-term dream?

For the coming season I want to perform at senior level, at the Series A and the Premier League. In the long term, my dream is to win a medal at a senior European or World Championships.

How small the margins are at the top, and how much you have to keep investing to finally take that step.

Sebastiaan van Teeffelen

Ashley Kakiay

How did you start karate, what category do you compete in, and how would you describe your own style?

I started karate when I was seven. My mother has her black belt too, and I started through her. I compete in the Kumite -61 kg category. I would describe my style as patient, but I can really raise the tempo when I need to.

You took silver at the Series A in Spain this spring. How did that feel, and what does it mean for your season?

It felt incredibly good. I was really in the zone at that tournament and felt physically strong. Two and a half years ago I reached my first Series A final, in Matosinhos in Portugal, so reaching another final means a lot to me. It gives me a lot of confidence going into next season.

Ashley Kakiay with her Series A silver medal in A Coruña
Ashley Kakiay with her Series A silver in A Coruña this spring. Courtesy of the athletes

What is the biggest sacrifice you have made for the sport?

My biggest sacrifice is my freedom. I have a very tight schedule and basically have to plan everything around karate.

Your biggest high and your hardest setback so far, and what you learned?

My biggest highs are my two Series A silver medals and my bronze at the European Youth Championships. I am also proud of my two fifth places, at a Premier League and at a senior European Championships.

Those two fifth places are at the same time my hardest setbacks, because in both of those bouts I did not fight the way I normally do, because of the nerves. What I learned is that everything is a snapshot in time, that anyone can beat anyone, and that you have to keep believing in yourself.

Everything is a snapshot in time. Anyone can beat anyone, and you have to keep believing in yourself.

Ashley Kakiay

Your main goal for the coming season, and your long-term dream?

My main goal for the coming season is a podium finish at the European Championships. In the long term, I hope to stand on the podium at the World Championships.

Side by side

Two careers, one dream, and a packed shared schedule in between. Sebastiaan and Ashley chase those European and World medals together, on the mat and off it. You can follow their journey, join the WhatsApp community or read their magazine at sebasenashley.nl.

Our thanks to Sebastiaan van Teeffelen and Ashley Kakiay for taking the time to talk to The Karate Dojo. Photos courtesy of the athletes.