FitSync Nishi-Shinjuku — Muay Thai & Kickboxing & Boxing in Tokyo

FitSync
ＪＰ 中文
Muay Thai / kickboxing high kick

Nishi-Shinjuku, Shinjuku, Tokyo

Muay Thai · Kickboxing
& Boxing Sessions

You came just to learn kickboxing.

And yet, the way your body moves begins to change.

Kickboxing is the way in. Beyond it is a way of using your body that stays with you for life.

No experience needed · No membership required · Single sessions available

“Relax.” — Someone who can teach you what that really means.

How advanced athletes use their bodies — for you, too.

Clenched hands. Hunched shoulders.

Without realizing it, you’ve been tensing up all along.

The moment that excess tension releases,

your body moves lighter, faster, freer.

The key is the “tanden” — the single point where your body’s movement begins.

We put into words the way advanced athletes unconsciously use their bodies — and pass it on to you.

Learn how advanced athletes use their bodies | Tanden session →
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At Nishi-Shinjuku GYM, we offer

one-on-one Muay Thai, Kickboxing, and Boxing sessions

Each session can be tailored to your goals — punches only, kicks only, or both. Personal training, Pilates (Sculpt, Barre and Mat) and women-only training are also available.

In addition to private lessons at the gym,

we also provide on-site private lessons at your location.

Experience Muay Thai, kickboxing, and boxing in a completely private setting!






 Nishi-Shinjuku GYM 


FitSync Nishi-Shinjuku GYM interior
FitSync Nishi-Shinjuku GYM interior 1 FitSync Nishi-Shinjuku GYM interior 2 FitSync Nishi-Shinjuku GYM interior 3 FitSync Nishi-Shinjuku GYM interior 4

Hours

Mon - Sun & Holidays (All days) 7:00 - 23:00 (Last start 22:00)
* Reservation required (same-day OK)

What to Wear

Please wear athletic clothing suitable for exercise. (Changing room available)

What to Bring

  • Come empty-handed!
    * All training can be done barefoot, but you may also bring indoor shoes. (We can store them for you.)
  • Water, rental towels, and rental gloves are provided free of charge.
  • Ticket holders receive a brand-new personal towel.
    (We wash and store it for you after each session.)

Room Size

Entire room: approx. 22 m²
Training space: approx. 2.5 m × 2.5 m

Simplified floor plan of Nishi-Shinjuku GYM. Training space approx. 2.5 m × 2.5 m

Access

グローリア初穂 生沼ビル
7-6-5 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan

  • JR Chuo-Sobu Line
    Okubo Station: 5 min walk
  • Seibu Shinjuku Line
    Seibu-Shinjuku Station: 6 min walk
  • Toei Oedo Line
    Shinjuku-nishiguchi Station: 7 min walk
  • JR lines
    Shinjuku Station, West Exit: 7 min walk

Nishi-Shinjuku GYM | Access, Hours & Photos →




 Our 3 GYMs in the Shinjuku Area 


FitSync has three gyms in the Shinjuku area. For Muay Thai, kickboxing, MMA, BJJ and judo, we recommend our largest gym, Shinjuku South (Yoyogi) GYM (coming soon) (three minutes from the East Exit of Yoyogi Station and seven from the New South Exit of Shinjuku Station). Its training space is approx. 4.0 m × 5.7 m, up to six people can train at the same time, and gloves, pads and other equipment are available at the gym. Personal training, Pilates and women-only training are available at every gym.

Map of our three gyms in the Shinjuku area: Nishi-Shinjuku GYM, Shinjuku-Gyoemmae GYM and Shinjuku South (Yoyogi) GYM

See Shinjuku South (Yoyogi) GYM (coming soon)




Nishi-Shinjuku GYM

PlanPrice (tax incl.)Time
Registration fee¥0—
Monthly fee¥0—
Single session¥16,00050 min
4-Session Pack¥62,000
(¥15,500/session)		50 min × 4
8-Session Pack¥120,000
(¥15,000/session)		50 min × 8
16-Session Pack¥232,000
(¥14,500/session)		50 min × 16
Extension
(per 10 min)		¥3,00010 min
Additional
group member		+¥5,000
(per person, per session)		—

Prices are set per gym. Your first lesson is a regular 50-minute session, booked as a single pay-as-you-go session — no membership needed.

How many people can train at the same time

Muay Thai & kickboxing

  • The room is for one person only.
  • At every gym, pad work is done one person at a time, in turn.

Yoga & Pilates

  • Two people can train at the same time.
  • Yoga and Pilates are done on yoga mats.

Personal training (including women-only sessions)

  • The room is best suited to one person; if two of you come, you take turns (two people maximum).





Every program is tailored to your goals, fitness level, and experience—regardless of age or gender.

Many of our clients start from zero, from their 20s to late-70s.

Age is never a barrier!


Whether your goal is weight loss, body recomposition, building stamina, or learning self-defense,

we’ve got you covered and will support you every step of the way.


New to training or not confident in your fitness? You’re absolutely welcome here!




 How to Book 

You can book via Contact using phone, email, LINE, or the inquiry form.

Phone   (Daily 7:00 - 20:00)
+81 70-1354-5358
By appointment only — walk-ins are not accepted. Please refrain from solicitation or sales calls.
※ Phone support is Japanese only.




 Payment Methods 

  • Cash
  • Credit Card
  • QR Code Payment
  • Online Payment
  • Bank Transfer
Square payment

Gym-only rental for visitors

Visiting Tokyo and want to train on your own? This private room can be booked by the hour without a trainer: ¥6,000 per hour, ¥11,000 per 2 hours (tax included, per room). Booking in English, payment by secure card link or bank transfer, entry instructions by email. Reservation required.

 Private Gym Rental — details & request

Frequently Asked Questions

What kind of training do you offer?

FitSync offers 1-on-1 instruction in Muay Thai, Kickboxing, and Boxing. Each session can be tailored to what you want to focus on — punches only, kicks only, or both. Personal training, Pilates (Sculpt, Barre and Mat) and women-only training are also available. You can also add our own Relaxed Tanden method, which focuses on releasing excess tension and centering on the tanden — the point where movement begins. We serve competitive athletes, as well as clients pursuing general fitness, weight loss, and posture correction. No martial arts experience is required.

Is it suitable for beginners and women?

Yes. All sessions are 1-on-1, fully tailored to each client's fitness level and goals. Many of our clients are complete beginners.

Can I take lessons in English or Chinese?

Consultations and bookings are handled in Japanese, English and Chinese through the contact form, email or LINE (phone support in Japanese only). Lessons are held in Japanese or English. We have extensive experience serving international guests and luxury clientele.

Can I try a single session first?

Yes. Your first visit is booked as a regular single session, and you are welcome to come just once. There is no registration or monthly fee, and no membership is required. Bookings are accepted via our contact form.

What are your rates?

Registration and monthly fees: none. At Nishi-Shinjuku GYM a single 50-minute session is ¥16,000. 4-session pack ¥62,000 (¥15,500/session), 8-session pack ¥120,000 (¥15,000/session), 16-session pack ¥232,000 (¥14,500/session). Group: +¥5,000 per additional person per session. All prices include tax.

How many people can train at the same time
[Muay Thai & kickboxing]
• The room is for one person only.
• At every gym, pad work is done one person at a time, in turn.
[Yoga & Pilates]
• Two people can train at the same time.
• Yoga and Pilates are done on yoga mats.
[Personal training (including women-only sessions)]
• The room is best suited to one person; if two of you come, you take turns (two people maximum).

Tell me about your founder and trainers.

Our founder is Issei Shima, a former pro martial artist (also CEO of AlphaEdge). FitSync personal training is designed around his Muay Thai and Kickboxing background, and he also teaches his own Relaxed Tanden method. Each location has a trainer team, and you can request your preferred trainer when booking.

How do I get there?

The gym is a 5-minute walk from Okubo Station (JR Chuo-Sobu Line). Also 6 minutes from Seibu-Shinjuku (Seibu Shinjuku Line), 7 minutes from Shinjuku-nishiguchi (Toei Oedo Line) and 7 minutes from the West Exit of Shinjuku Station (JR).

What is special about the Nishi-Shinjuku location?

Five minutes from Okubo Station and seven from the West Exit of Shinjuku Station. Private, by appointment only, with English support.

Location Access

Roppongi GYM Shinjuku-Gyoemmae GYM Nishi-Shinjuku GYM Shinjuku South (Yoyogi) GYM (coming soon) Shibuya GYM Ginza GYM Azabu-Juban GYM In-Home Lessons