NCAA

Best of 5 sets; Sets 1-4: rally scoring to 25 points, must win by 2; Set 5 (decider, only if needed): rally scoring to 15 points, must win by 2

First referee (R1, on the elevated stand); Second referee (R2, opposite the R1); Two or four line judges

Ball: spherical, leather/synthetic, 65-67 cm circumference, 260-280 g, FIVB/Molten approved; Net: 2.24 m height (women's), 1 m wide × 9.5-10 m long; Antennas on each side of the net marking the legal crossing zone

Court: 18 m × 9 m rectangular, divided by a center line into two 9 m × 9 m halves; Attack line: 3 m from the center line on each side, defining the front zone vs back zone; Service zone: behind the end line, full court width

NCAA Women's Volleyball uses a coaches' challenge / video review framework allowing review of: ball in/out (touch), antenna contact, foot fault on serve, net touch, ball-handling judgments at the 1st referee's discretion. Each team is allowed a de...

Best of 5 sets; Sets 1-4: rally scoring to 25 points, must win by 2; Set 5 (decider, only if needed): rally scoring to 15 points, must win by 2

Rally scoring: a point is awarded on every rally regardless of which team served; Set 1-4: first to 25 points (must win by 2); set 5: first to 15 (must win by 2); Match won by first team to 3 sets

Faults causing loss of rally: ball lands out, four contacts, double contact (controlled), catch or throw, net touch by player, antenna contact, crossing the centerline interfering with opponent, foot fault on serve, illegal server (out of rotation); Hand-setting standard: must be clean (no extend...

NCAA concussion protocol: removal for actual or suspected concussion + graduated return-to-play assessment. Court surface and post padding inspected pre-match.

Service rotation: clockwise position rotation each side-out; Serve must clear the net within the antennas; serve may contact the net (let serve permitted); Each team may contact the ball up to 3 times before returning over the net (block contact does not count as one of the 3 in indoor volleyball)