Most rule sets treat “intentional foul” and “unsportsmanlike conduct” separately:
- A “routine” intentional foul (like taking a deliberate foul to break up a cluster in some games) is usually penalized the same as any other foul: ball‑in‑hand and spotting the 9.reddit
- “Unsportsmanlike conduct” covers actions that bring the sport into disrepute or clearly abuse the rules of fair play (for example, moving balls by hand, sharking, or repeatedly abusing intentional fouls).
Under WPA rules, unsportsmanlike conduct can be penalized as a serious foul, up to loss of rack or stronger discipline, but it is at the referee’s discretion.
wpapool
In most modern 9‑ball interpretations, the specific tactic you describe—knowingly fouling to knock in a hanging 9 so it gets spotted—is treated as a perfectly legal
tactical foul:
- Common league and tournament guidance explicitly notes that pocketing the 9 on a foul results in the 9 being spotted and ball‑in‑hand, and players sometimes choose this intentionally to avoid leaving an easy win.
- As long as you’re not doing anything outside the normal stroke (like pushing balls around with your hand), it’s usually not considered unsportsmanlike and not loss of game.
Nothing else to be expected but pure top-notch playability on this cue.