Proton Series Two Project Flash vs Six Zero Coral Pro Hybrid UPA-A
Both paddles measured on the same 15-trait Paddle DNA test. Proton Series Two Project Flash takes the higher overall IQ score, but the right pick depends on which traits you value.
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Paddle DNA head-to-head
- 84Power83
- 88Control92
- 92Spin92
- 84Forgiveness79
- 86Sweet spot79
- 84Stability71
- 80Maneuverability87
- 80Pop75
- 86Touch92
- 88Consistency81
- 70Swing weight58
- 80Twist weight56
- 50Launch angle50
- 80Plow through69
- 80Softness84
Proton Series Two Project Flash vs Six Zero Coral Pro Hybrid UPA-A specs
Every measured spec side by side. Highlighted values are the better of the two where one is objectively better.
| Spec | Proton Series Two Project Flash | Six Zero Coral Pro Hybrid UPA-A |
|---|---|---|
| Street price(USD) | $200 — better | $220 |
| IQ score(/ 100) | 85.3 — better | 81.2 |
| Weight(oz) | 8 | 8.15 |
| Core thickness(mm) | 16 | 16 |
| Swing weight(kg·cm²)Lower swings faster | 111 | 105 |
| Twist weight(kg·cm²)Higher is more stable | 6.7 — better | 5.8 |
| Shape | hybrid | hybrid |
| Face length(in) | 16.3 | 16.3 |
| Face width(in) | 7.6 | 7.4 |
| Handle length(in) | 5.4 | 5.5 |
| Grip circumference(in) | 4.25 | 4.125 |
| Surface | Gritted raw carbon | Double Diamond Tough Raw Carbon Fiber |
| Core material | Thermoformed polymer honeycomb | ProPulsion Foam |
Proton Series Two Project Flash verdict
The grittiest face Proton has made. Spin 92 puts it in the top tier of the database, and the hybrid shape keeps it usable at the kitchen line.
Six Zero Coral Pro Hybrid UPA-A verdict
The UPA-A revision brings the Coral Pro under the new pro-tour surface limits. It is measurably tamer than the original Coral Pro, and it is the version that is tournament-legal going forward.
The verdict
Measured on the same 15-trait test, the clearest separation is twist weight: Proton Series Two Project Flash scores 80 against 56 for Six Zero Coral Pro Hybrid UPA-A — a 24-point gap. They are effectively level on power, spin, launch angle, so those traits should not decide the purchase. Proton Series Two Project Flash is $20 cheaper at $200.
Twist weight
Proton Series Two Project Flash leads by 24 points (80 vs 56).
Stability
Proton Series Two Project Flash leads by 13 points (84 vs 71).
Swing weight
Proton Series Two Project Flash leads by 12 points (70 vs 58).
Plow through
Proton Series Two Project Flash leads by 11 points (80 vs 69).
Which one is right for your level?
Each call below re-weights the Paddle DNA traits that matter at that level, so the winner can differ from the overall pick.
Beginner
New to 3.0 — still building a consistent contact point
Proton Series Two Project Flash
Proton Series Two Project Flash is the clearer pick at this level — twist weight 80 vs 56, stability 84 vs 71, sweet spot 86 vs 79. Twist weight 6.7 keeps the face steadier on off-centre contact.
- Twist weight
- Stability
- Sweet spot
Intermediate
3.0–3.9 — playing organised rec and early tournaments
Too close to call on the traits that matter here (87.3 vs 86 on the weighted index). Take Proton Series Two Project Flash and keep the $20.
- Maneuverability
- Touch
- Control
Advanced / tournament
4.0+ — repeatable swing, fast hands battles
Too close to call on the traits that matter here (85.7 vs 85.3 on the weighted index). Take Proton Series Two Project Flash and keep the $20.
- Touch
- Maneuverability
- Control
Arm-sensitive players
Anyone managing tennis elbow or shoulder load
Proton Series Two Project Flash
Proton Series Two Project Flash is a narrow pick at this level — twist weight 80 vs 56, forgiveness 84 vs 79. Its 16 mm Thermoformed polymer honeycomb core at 8 oz is the softer, lower-shock build of the two.
- Twist weight
- Forgiveness
Which one should you buy?
Six Zero Coral Pro Hybrid UPA-A
Take Six Zero Coral Pro Hybrid UPA-A if you want maneuverability (+7), touch (+6), control (+4). Its swing weight of 105 kg·cm² and 16 mm core are what produce that profile.
Read the Six Zero Coral Pro Hybrid UPA-A review →Proton Series Two Project Flash
Take Proton Series Two Project Flash if you want twist weight (+24), stability (+13), swing weight (+12). Its swing weight of 111 kg·cm² and 16 mm core are what produce that profile.
Read the Proton Series Two Project Flash review →Six Zero Coral Pro Hybrid UPA-A vs Proton Series Two Project Flash FAQ
- Which is better, the Six Zero Coral Pro Hybrid UPA-A or the Proton Series Two Project Flash?
- Proton Series Two Project Flash carries the higher overall Paddle IQ score (85.3 vs 81.2), but IQ is a weighted average. On the trait that separates them most — twist weight — Proton Series Two Project Flash leads by 24 points.
- Which one is faster at the kitchen line?
- Six Zero Coral Pro Hybrid UPA-A, at 105 kg·cm² swing weight against 111 for Proton Series Two Project Flash. Lower swing weight is the single best predictor of hand speed in fast exchanges.
- Which paddle has more power, the Six Zero Coral Pro Hybrid UPA-A or the Proton Series Two Project Flash?
- Proton Series Two Project Flash measures 84 on power against 83 for Six Zero Coral Pro Hybrid UPA-A. That comes from a 16 mm Thermoformed polymer honeycomb core swinging at 111 kg·cm² — mass behind the ball, not face material.
- Which one gives more control and touch?
- Six Zero Coral Pro Hybrid UPA-A at 92 versus 88. Its 16 mm core holds the ball on the face slightly longer, which is what makes resets and dinks land shorter.
- Which paddle spins the ball more?
- Six Zero Coral Pro Hybrid UPA-A scores 92 for spin off its Double Diamond Tough Raw Carbon Fiber face, against 92 for the Gritted raw carbon face on Proton Series Two Project Flash. In practice a 0-point gap is small enough that technique matters more.
- Which is more forgiving on off-center hits?
- Proton Series Two Project Flash, with 6.7 twist weight against 5.8. Higher twist weight means the face rotates less when you miss the middle, and Proton Series Two Project Flash carries the higher forgiveness score (84) as a result.
- Is the price difference worth it?
- Proton Series Two Project Flash costs $200, $20 less. Whether that gap is worth closing depends on whether you actually use the traits it trades away — check the head-to-head DNA bars above before paying up.
- Do they use the same core and face?
- Six Zero Coral Pro Hybrid UPA-A: 16 mm ProPulsion Foam core with a Double Diamond Tough Raw Carbon Fiber face. Proton Series Two Project Flash: 16 mm Thermoformed polymer honeycomb core with a Gritted raw carbon face.
- Which is better for a two-handed backhand?
- Six Zero Coral Pro Hybrid UPA-A, at 5.5 in of handle against 5.4 in. Anything under 5.25 in forces you to choke the bottom hand onto the face bevel, which Six Zero Coral Pro Hybrid UPA-A avoids.
- Which one is better for beginners?
- Proton Series Two Project Flash is the safer first paddle here: forgiveness 84 and sweet spot 86 mean fewer mishits while your contact point is still inconsistent. Proton Series Two Project Flash rewards a repeatable swing and can feel unstable before that.
- Which is lighter in the hand?
- Proton Series Two Project Flash at 8 oz against 8.15 oz. Static weight matters for arm fatigue and elbow comfort; swing weight (111 vs 105) is what you feel mid-rally.
- Is it worth upgrading from the Six Zero Coral Pro Hybrid UPA-A to the Proton Series Two Project Flash?
- Only if you need what it actually adds. Proton Series Two Project Flash leads on twist weight by 24 points; everything else is within 13 points. At $220 vs $200, the money is better spent elsewhere unless that one trait is your weak spot.
This matchup is a touch vs pop decision
Browse every head-to-head that splits on the same trade-off:
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Top alternatives to both
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Read the full reviews: Proton Series Two Project Flash and Six Zero Coral Pro Hybrid UPA-A. Or build a different comparison, browse the full database or find paddles within 5% of your current one.

