Can You Switch Golf Balls Mid-Round?

Ever pull a scuffed-up ball from the cup, glance at the pristine new one in your pocket, and wonder if you can make a swap? This question trips up golfers of all levels, and the answer isn't always a simple yes or no. This article will give you a clear, straightforward guide to the official rules about switching golf balls mid-round, and more importantly, the strategy behind when you should. We'll cover when it's perfectly legal, the specific exceptions for changing a ball during a hole, and how to use this knowledge to your advantage.

The Official Ruling: A Clear 'Yes' Between Holes

Let's start with the most common scenario. The simplest and most important rule to remember is that you are always allowed to substitute a new golf ball between the play of two holes. This is covered under Rule 6.3a in the Rules of Golf without any tricky conditions.

So, what does "between the play of two holes" actually mean? The rule defines this period as starting from the moment you hole out on the previous green and ending the moment you make a stroke from the teeing area of the next hole. In that window of time, feel free to reach into your bag, pull out a brand new ball, and tee it up for the next challenge. You don’t need to tell anyone or ask for permission. Whether your previous ball found the bottom of a lake or is just showing a little wear and tear, this is your prime opportunity to put a fresh one in play legally and without penalty.

This is the big, overarching rule that applies to 99% of your rounds. If you remember nothing else, remember this: once you finish a hole, you can always switch balls before starting the next.

Changing Balls During a Hole: The Exceptions to the Rule

Okay, so changing balls between holes is straightforward. But what if you're in the middle of a par 5 and you notice your ball is damaged? Or you find yourself needing to take a drop? Here, the rules get more specific. You can't just switch out your ball because you don't like its lie or want a cleaner ball for your approach shot. However, the rules do provide a few specific exceptions that allow you to substitute a ball during the play of a hole.

When Your Ball Is Cut or Cracked

Imagine you hit a shot that clatters off a cart path or clips a rock hidden in the rough. You walk up to your ball and see a visible gash or deep scrape. This is covered by Rule 4.2c. If you have a reasonable belief that your ball has been cut, cracked, or is otherwise out of shape, you are allowed to check it.

But there's a specific procedure you must follow:

• Step 1: Announce Your Intention. Before you touch the ball, you must announce to your playing partner in stroke play or your opponent in match play that you are going to lift your ball to check for damage.
• Step 2: Mark Your Ball. Just like on the putting green, you must mark the position of your ball before you lift it.
• Step 3: Inspect the Ball (Don't Clean It!). You may lift and examine the ball to confirm the damage. It is important to know that you are generally not allowed to clean the ball in this situation (unless you're on the putting green). You are checking purely for damage.
• Step 4: Make the Call. If the ball is clearly broken, cut, or cracked, you can substitute it with a new ball. What does this mean? A simple cosmetic scrape or a paint chip from a tree is not enough. The damage needs to be significant enough to potentially alter the ball’s flight characteristics. If the ball isn't damaged according to the rules, you must replace the original ball on its exact spot.

Mistakenly substituting a ball here when it wasn’t allowed will get you a one-stroke penalty, so be honest about the level of damage.

Any Time You Take Relief

This is probably the most common way golfers legally switch balls mid-hole. Anytime you take relief under a Rule of Golf, whether it's free relief or penalty relief, you have the option to substitute a ball.

Let's look at a few examples:

• Penalty Relief: Your tee shot hooks into a red penalty area. When you decide to take lateral relief, you are putting a new ball in play with your drop. The same applies if your ball is lost or out of bounds and you're proceeding under stroke and distance.
• Free Relief: Your ball comes to rest on a sprinkler head or a cart path (immovable obstructions). When you find your nearest point of complete relief and drop your ball, you can choose to use your original ball or swap it for a new one.
• Unplayable Lie: You've hit your ball into a thick bush and decide it's unplayable. Whether you drop back on the line, laterally, or go back to where you last played from, you can use a substitute ball when dropping.

The key here is that the act of "taking relief" provides you the opportunity to switch. This is a helpful bit of knowledge. If your ball has a nasty scuff and also happens to land on a cart path, you can solve two problems at once: take your free relief and get that damaged ball out of play.

The Big Exception: The "One Ball" Rule in Competitions

So far, we’ve discussed switching one ball for another. But what about switching one *type* of ball for another? For most of us, this is perfectly fine. You can tee off with a Titleist ProV1, switch to a Callaway Chrome Soft on the next hole, and finish with a TaylorMade TP5.

However, many competitive events (professional, college, and high-level amateur tournaments) enact what is called the "One Ball" a Local Rule. Officially, this is Model Local Rule G-4.

If this rule is in effect for an event you are playing in, you must use the exact same brand and model of golf ball for the entire round. If you start the round with a Srixon Z-Star, every ball you put into play - even when you’re substituting after hitting one in the water - must also be a Srixon Z-Star.

How do you know if this rule is in effect? The tournament committee must state it on the notice to players or the rules sheet provided before the round. For your weekly game with friends or a casual club stroke play event, this rule is almost never used. It’s designed for elite competitions to test a player’s skill with a single piece of equipment. But if you’re playing serious tournament golf, it's always something to check before you tee off.

Beyond the Rules: The Strategy of Switching Golf Balls

Understanding the rules is half the battle, the other half is understanding when you *should* use them to your advantage. As a coach, I'm more interested in helping you play well than just avoiding penalties. The decision to switch (or not switch) a ball can have a real impact on your performance.

Why Consistency Is So Important

My biggest piece of advice is this: try to play the same model of golf ball all the time.

Different golf balls are designed to perform differently. Some are built for max distance with low spin, others are engineered for soft feel and high spin around the greens. Switching between a rock-hard distance ball and a urethane tour ball mid-round can play havoc with your performance. You'll hit a tee shot that feels like a rocket, followed by a chip shot that feels like a marshmallow. This inconsistency makes it incredibly difficult to develop feel and predict how the ball will react, especially on your touch shots inside 100 yards.

Think of it like trying to play a round by switching putters every three holes. You'd never get comfortable with the speed. Find a ball that fits your game and your budget, and stick with it. This gives you one less variable to worry about on the course.

When to Proactively Switch Your Ball

The rules focus on a ball being "cut or cracked," but as golfers, we know that lesser scuffs can still affect ball flight. The dimples on a golf ball are a marvel of aerodynamic engineering, designed to keep the ball stable and flying on a predictable trajectory. A significant scuff, especially from a cart path or a bladed bunker shot, can disrupt that airflow.

This can cause the ball to fly lower, spin less, or even curve unpredictably. So here's some simple strategic advice:

• If you know your ball took a serious knock from a hard surface, inspect it when you can.
• If you are between holes and your ball has a noticeable scuff, switch it out. It's perfectly legal and removes any doubt about whether its performance might be compromised.
• This is especially true before hitting a driver or a long approach shot where aerodynamics are most impactful. Starting a fresh hole with a fresh, undamaged ball is a small thing that can boost your confidence and lead to a better result.

Final Thoughts

In short, the rules around changing golf balls are fairly generous for the everyday player. You can always switch balls between holes for any reason. During a hole, you can only make a swap if your ball is significantly damaged, you’re taking relief, or your original ball is lost or out of bounds. For those playing in serious competitions, just keep an eye out for the "One Ball Rule" on the local rule sheet.

Knowing the rules is a major part of playing with confidence, but what about all those other moments of uncertainty on the course? That’s where having an expert in your pocket can make all the difference. When you're facing a tough situation where you might need to take relief - and get to switch your ball - the last thing you want is more confusion. With Caddie AI, you can snap a photo of your lie and I can give you instant, strategic advice on how to play the shot and walk you through your relief options. I'm here to take the guesswork out of difficult spots, so you can focus on making a great swing.