The Two-Ball Fantasy: Why Your Solo Scoring Experiment Won't Count

There's something undeniably romantic about having an entire golf course to yourself. The morning mist lifting off the fairways, the silence broken only by birdsong and the crack of your driver—it's the kind of solitary communion that reminds us why we fell in love with this game in the first place.
So I completely understand the creative impulse behind playing two balls simultaneously. White versus yellow. A competition against yourself, with yourself. It's the kind of experiment born from too much time alone with your thoughts and a bag full of options.
But here's the thing: no matter how meticulously you hole out every putt on both balls, neither score is going anywhere near your handicap index.
The Rules Are Clear (and Doubly So)
According to Rule 2.1 of the Rules of Handicapping, a score is only acceptable for posting if the round has been played by the Rules of Golf, among other criteria. And the Rules of Golf are unambiguous—you cannot have more than one ball in play at a time.
But wait, there's more bad news for our experimental solo golfer. Even if you had played just one ball with perfect adherence to every rule, rounds played alone are not acceptable for handicap purposes. The Rules of Handicapping explicitly exclude solo rounds from the equation.
So our hypothetical two-ball strategist faces a double disqualification: the multi-ball approach violates playing conditions, and the solitary nature of the round fails the attestation requirements that underpin the handicap system.
Why the Rules Exist
I've walked enough fairways around the world to appreciate why these guardrails matter. The handicap system is built on trust and verification. When you post a score, you're contributing to a shared system that allows players of vastly different abilities to compete against each other fairly.
That system only works if scores represent genuine competitive rounds where the Rules of Golf govern every stroke. Playing two balls introduces variables that undermine the integrity of both scores. Which lie did you play from? Did seeing one ball's result influence how you played the other? The psychological conditions are fundamentally different from a standard round.
The solo-play restriction exists for similar reasons. Having another player present—even just one—creates a layer of accountability. They can attest to your score, witness your play, and ensure the round meets the standards required for handicap purposes.
What About Other Technological Gray Areas?
This question about dual-ball scoring actually connects to a broader category of handicapping edge cases. Consider the increasingly common scenario of using a rangefinder's slope feature during casual play.
While players can agree among themselves to use slope-measuring devices in non-tournament rounds, the Rules of Handicapping address this too. Clarification 2.1b/2 recommends that scores made while using a Distance Measuring Device to measure slope changes should not be acceptable for handicap purposes.
The theme is consistent: if you're playing under conditions that differ materially from competitive golf, the resulting score probably shouldn't be feeding into your handicap calculation.
The Joy of Playing Anyway
None of this means you shouldn't enjoy that solo round or your creative two-ball experiment. Some of my most memorable days on the course have been spent alone, walking empty fairways in places I may never return to, with no thought of posting anything anywhere.
There's a freedom in playing golf without the administrative weight of it counting. You can experiment with different approaches, play multiple balls into greens to test your reads, or simply enjoy the meditative quality of the game without any external purpose.
Just don't expect those scores to mean anything official when you're done.
Key Takeaways
- One ball only: The Rules of Golf prohibit having more than one ball in play, making multi-ball scores ineligible for handicap posting.
- Solo rounds don't count: Rounds played alone are not acceptable for handicap purposes under Rule 2.1.
- Technology matters too: Using slope-measuring devices can also render scores unacceptable for posting.
- Play for the love of it: Not every round needs to count—sometimes the best golf is the kind that lives only in your memory.