http://www.official-rules.org/field/fair_and_foul_balls.htm
So now the distinction between a fair ball (possibly good for the offense) and a foul ball (almost always not good for the offense) is based on the path that the baseball takes with reference to not only the foul lines, but other markings: the bases and the foul poles. Diagram 3: Green represents fair balls.

https://www.youtube.com/watch?v=W2cvYCZf_Cs
When a ground ball bounces near or over the base and then goes into foul territory, it can be confusing for baseball coaches, players and umpires. MLB Umpire

https://www.rookieroad.com/baseball-fair-or-foul-ball-rules-1255382/
The ball touches a fielder or any other person in fair territory. The ball goes over the fence in fair territory. The ball lands and settles on the foul lines. The ball touches the foul pole while traveling in fair territory. A fly ball lands in fair territory past first base or third base and then bounces into foul territory.

https://www.baseballbible.net/what-is-a-foul-ball/
A foul tip is a ball that is tipped and usually stopped by a catcher. If a fould tip is caught it can be considered a third strike. Sometimes foul tips go directly in the dirt. Sometimes foul tips find themselves in the glove of a catcher. A foul ball generally travels a little further away from home plate.

https://www.bat-co.com/blogs/baseball-umpire-and-rules-discussion/what-makes-the-ball-fair-or-foul
The most common is that a player at third or first is still it fair territory reaches across the foul line to field the ball and touches the ball while it's over foul territory that makes it foul. 2. A ball that hits off of home plate is neither fair nor file until somebody touches it. 3. the one that seems a little contrary is the one that

https://thebaseballguide.com/fair-ball-in-baseball/
If the ball hits first, second, or third base, it is also considered a fair ball. The outcome of a fair ball is active play, meaning runners can advance, and fielders must try to make plays on the ball. Fair vs Foul Ball. The difference between a fair ball and a foul ball is determined by the ball's relationship to the foul lines on the

https://www.mlb.com/glossary/rules/fair-ball
Definition. The foul lines and foul poles are used to demarcate fair territory and, thus, determine what constitutes a fair ball. Any batted ball that first contacts a fielder while the ball is in fair territory is considered fair. If not touched by a fielder, any batted ball that first contacts the field in fair territory beyond first or third

https://www.theoleballgame.com/fair-or-foul-ball.html
A foul fly shall be judged according to the relative position of the ball and the foul line, including the foul pole, and not as to whether the infielder is on foul or fair territory at the time he touches the ball. The play as you described it then becomes a foul ball. The positioning of the infielder makes no difference in the outcome.

https://travelbaseballcentral.com/what-is-a-foul-ball-and-how-to-spot-one/
Defining A Foul Ball. In a nutshell, a foul ball is a batted ball that doesn't hit a defensive player in fair territory, and winds up in foul territory. The nature of the hit makes no difference. It could be a bunt, a full swing, or even accidental contact when trying to dodge a particularly savage pitch — If the ball comes straight from

https://surprisesports.com/baseball/1-what-is-the-definition-of-fair-ball-in-baseball/
The excitement of baseball often hinges on split-second plays, where the difference between a fair and a foul ball can change the game. In baseball, the terms 'fair ball' and 'foul ball' have clear definitions, but to new fans, these rules might seem subtle, yet are crucial to understanding the game's flow.

https://wezen-ball.com/foul-ball-in-baseball/
A foul ball is called when a batter hits a ball that drives beyond first or third base on or over foul territory. A batted ball that originally lands in the infield and then rolls or bounces to foul territory before traveling past the first or third base is also considered a foul ball. If the batted ball comes in contact with a player, an

https://www.youtube.com/watch?v=28OMyqBhIHo
Explaining Fair & Foul Balls in Baseball. Part of the series: How to Watch Baseball. A foul ball can count as a strike. Learn about hitting in baseball in th

https://www.umpirebible.com/index.php/mechanics/working-the-plate/17-ump-info/72-fair-foul-and-the-foul-tip
A fair fly shall be judged according to the relative position of the ball and the foul line, including the foul pole, and not as to whether the fielder is on fair or foul territory at the time he touches the ball. Okay, so far so good. The rule is clear: it doesn't matter where the fielder is.

https://www.ducksters.com/sports/baseball/fair_and_foul_balls.php
In the outfield a ball is determined to be foul by its relationship to the line when it first touches the ground or is touched by a player. So if a ball hit in the outfield lands in fair territory and then rolls foul, it is a fair ball. This is different than with the infield. If an outfield ball is touched by a player, it doesn't matter the

https://dt5602vnjxv0c.cloudfront.net/portals/80753/docs/fair%20or%20foul.pdf
The following test explains why and when a ball is ruled fair or foul. It was created by Hal Lebovitz, the late sports editor of The Cleveland Plain Dealer. Play No. 1: The ball hits in foul territory at Point A, hits a pebble ... makes no difference where the ball first hits. It must be judged on where it finally comes to rest or is first touched.

https://www.baseballbible.net/what-is-a-fair-ball/
Aa fair ball is a ball that is hit within the foul lines and lands in fair territory. Fair territory is the area of the field that lies between the foul lines and extends from home plate to the outfield fences. If a batted ball lands on or beyond the foul lines, it is considered a foul ball, which means the ball is dead, and play stops.

https://baseballxgear.com/what-is-a-foul-ball
1st & 3rd base are the boundaries for balls hit in the infield. If a batter hits a ball on the ground and it goes foul before reaching 1st or 3rd base, then it will be considered a "foul ball.". If a batter hits a ball into the outfield and it hits the ground within the chalk line, it is a "fair ball.". Unlike the infield, even if the

https://sports.stackexchange.com/questions/23027/fair-or-foul-ball
I'm going to assume you're asking about MLB rules. There, a fair ball is defined as: A FAIR BALL is a batted ball that settles on fair ground between home and first base, or between home and third base, or that is on or over fair territory when bounding to the outfield past first or third base, or that touches first, second or third base, or that first falls on fair territory on or beyond

https://www.facebook.com/baseballrulesacademy/videos/fair-ball-or-foul-ball-how-to-tell-the-difference/476217596216490/
When a ground ball bounces near or over the base and then goes into foul territory, it can be confusing for baseball coaches, players and umpires. MLB... Fair Ball or Foul Ball How to Tell the Difference | When a ground ball bounces near or over the base and then goes into foul territory, it can be confusing for baseball coaches, players and

https://thestrikezone.org/foul-ball/
In baseball, a foul ball refers to a ball that is hit beyond the boundaries of the fair territory. This can occur when a ball lands outside the first or third base lines or is shot beyond the outfield fence. A foul ball is considered dead, meaning play stops, and the pitch is no longer in effect. There are several types of foul balls, each with

https://danblewett.com/rules-of-baseball-for-beginners/
The foul lines separate fair create this fair territory from foul territory. If the ball hits the foul line it is fair so if it touches any part of the line it's fair and if it hits the yellow foul pole at the home run fence that is a fair ball and would be ruled a home run. Any ball hit in fair territory requires the batter to run to first

https://baseballrulesacademy.com/official-rule/nfhs/rule-7-section-2-strikes-balls-and-hits/
A foul ball or a fair hit (which may be a bunt) occurs when a pitch is touched by the bat of the batter who is in his box (2-5-1, 2-16-1, 2). 7-2-2 A ball is credited to the batter when a pitch is not touched by the bat and is not a strike or when there is an illegal pitch (6-1 Penalty, 6-1-4) or pitcher delay (6-2-2c). 7-2-3

https://sports.stackexchange.com/questions/16074/is-this-fair-or-foul
The ball is foul and the play is dead. The rulebook reference defines a fair ball (Definitions section, page 142 in linked version):. A FAIR BALL is a batted ball that settles on fair ground between home and first base, or between home and third base, or that is on or over fair territory when bounding to the outfield past first or third base, or that touches first, second or third base, or

https://www.si.com/more-sports/2012/06/13/language-baseball
Frank Deford. Jun 13, 2012. Baseball historians continue to poke around in the 19th century to better explain how the game was originated and developed, but I've always wondered if one of the