How to Fix a Slice Using an Indoor Golf Simulator

A slice is one of the most common — and most frustrating — problems in golf. The good news is that an indoor golf simulator gives you the exact data you need to diagnose and fix it fast. At Good Time Golf in Somerville, MA, our Uneekor launch monitors show you precisely what your club is doing at impact, taking all the guesswork out of improvement.

What Causes a Slice in Golf?

A slice happens when the clubface is open relative to your swing path at impact, creating left-to-right sidespin (for right-handed golfers). The two main culprits are an out-to-in swing path and an open clubface — and most slicers have some combination of both. Understanding which factor is dominant in your swing is the first step toward fixing it.

Why an Indoor Golf Simulator Is Ideal for Fixing a Slice

An indoor golf simulator removes all guesswork by showing you exact club path, face angle, and spin data on every single shot. Instead of guessing why your ball curved, you can see the numbers in real time. This makes your practice sessions far more focused and your improvement far faster than hitting balls at an outdoor range with no feedback.

• See your club path and face angle on every shot
• Track spin axis to measure how much slice spin you are creating
• Compare shots side by side to measure improvement
• Practice in a comfortable, distraction-free environment year-round

Step-by-Step: Fixing Your Slice at Good Time Golf

Follow this process during your simulator session to systematically eliminate your slice:

1. Baseline assessment: Hit 5–10 shots with your driver and record your average club path and face angle numbers.
2. Check your grip: A weak grip (hands rotated toward the target) promotes an open face. Strengthen your grip slightly and hit another 5 shots to see if face angle improves.
3. Work on path first: Place an alignment stick on the ground pointing at your target and practice swinging more in-to-out. The simulator will confirm when your path improves.
4. Close the face: Once your path is neutral, focus on rotating your forearms through impact to square the face. Watch your face-to-path numbers converge.
5. Hit full shots and compare: After each 10-shot block, compare your new numbers to your baseline to confirm you are trending in the right direction.

How to Read Launch Monitor Data to Fix a Slice

At Good Time Golf, our Uneekor system displays the key numbers you need to understand your ball flight. Here is what to look for when diagnosing a slice:

• Club Path: A negative number (out-to-in) combined with an open face creates a slice. Aim for a path between -2 and +2 for straighter shots.
• Face Angle: Should be close to zero (square) at impact. Positive numbers mean open face, which adds slice spin.
• Spin Axis: A tilted spin axis (positive for right-handers) indicates how much slice spin is on the ball. Less tilt means less curve.
• Ball Speed: A well-struck, straighter shot will also produce better ball speed, confirming solid contact.

How Many Sessions Does It Usually Take to See Improvement?

Most golfers see measurable improvement in their slice within 2–3 focused simulator sessions when they are using their launch monitor data purposefully. Significant, lasting change typically comes after 5–8 sessions combined with some off-simulator practice (mirror work, grip training). The key is intentional practice — not just hitting balls, but watching your numbers and adjusting after every block of shots.

Frequently Asked Questions

Can a beginner fix a slice on a simulator?

Yes — in fact, a simulator is one of the best environments for beginners to fix a slice. The instant feedback from launch data makes it clear which part of your swing to change, which speeds up learning significantly compared to guessing on a range.

Do I need my own clubs to practice at Good Time Golf?

No. Good Time Golf provides loaner clubs for guests who do not have their own. However, if you are serious about fixing your slice for on-course play, we recommend practicing with your own clubs so the data reflects your actual game.

How often should I practice to see real results?

We recommend at least one focused practice session per week to build muscle memory. Two sessions per week will accelerate progress noticeably. Consistency matters more than session length — 45 focused minutes beats two hours of mindless hitting every time.

Ready to stop slicing and start scoring? Book a simulator session at Good Time Golf in Somerville, MA and get the data-driven feedback you need to fix your slice for good.