|Real name||Randy Formentera Petalcorin|
|Height||5 ft 3 in (1.60 m)|
|Reach||64 in (163 cm)|
December 31, 1991|
Davao City, Davao del Sur, Philippines
|Wins by KO||21|
Randy Petalcorin (born Randy Formentera Petalcorin; December 31, 1991) is a Filipino professional boxer from the Sanman gym in General Santos, Philippines. He defeated Walter Tello at the Mercedes-Benz Arena in Shanghai, China on August 26, 2014 to win the WBA Interim World light flyweight Title.
Randy Petalcorin fights in the light flyweight category and has the nickname "Ultra Tune" after the Australian car service franchise that sponsor him and fought in Melbourne, Australia on [Peter Maniatis ] Events in 2013 and 2014 and 2017 training at the Boxingfit Gym in Port Melbourne.
Petalcorin won the WBA Light Flyweight World Title against Walter Tello in the seventh round by Knockout in Shanghai, China in front of 15.000 strong crowd on a Top Rank promoted card with Hall of Fame Promoter Bob Arum ringside also in attendance cheering on Petalcorin was fellow Filipino boxer and 8-division World Champion Manny Pacquiao who jumped into the ring once Petalcorin Won the WBA World Title to congratulate him.
Petalcorin is now training in Melbourne using a high altitude training scheme with his co-sponsors Altitude Services, led by Rod Cedaro. He is preparing for his first defense of his WBA Interim world light-flyweight title on the undercard of Manny Pacquiao’s next superfight.
On the 10th November 2017 Randy won his fight in the first round by knockout against Oscar Raknafa at Malvern Town Hall, Melbourne, Australia. 
Professional boxing record
|28 Wins (21 knockouts, 7 decisions, 1 disqualification), 2 Loss, 1 Draw|
|N/A||N/A||Felix Alvarado||N/A||12||2018-10-21||Philippines||For vacant IBF light flyweight World title|
|Win||29–2–1||Jade Yagahon||KO||1 (6) 1:44||2018-05-19||Polomolok Gym, Polomolok|
|Win||28–2–1||Oscar Raknafa||TKO||1 (10) 2:59||2017-11-10||Town Hall, Malvern|
|Win||27–2–1||Jetly Purisima||TKO||6 (6) 0:27||2017-09-09||Polomolok Gym, Polomolok|
|Win||26–2–1||Mark Anthony Florida||RTD||6 (8) 3:00||2017-02-29||Lagao Gym, General Santos City, Cotabato del Sur|
|Win||25–2–1||Arnold Garde||UD||10||2016-12-04||Robinson’s Mall Atrium, General Santos City, Cotabato del Sur||For vacant IBF Pan Pacific light flyweight title|
|Win||24–2–1||Donny Mabao||UD||10||2016-09-27||Barangay Saint Felomina, Iligan City, Lanao del Norte|
|Loss||23–2–1||Omari Kimweri||SD||12||2016-04-15||The Melbourne Pavilion, Flemington, Victoria||For vacant WBC Silver Flyweight title.|
|Win||23–1–1||Ma Yiming||TKO||1 (12)||2015-04-24||Capital Gym, Beijing||Retained interim WBA Light Flyweight title.|
|Win||22–1–1||Walter Tello||TKO||7 (12)||2014-08-26||Mercedes-Benz Arena, Shanghai||Won interim WBA Light Flyweight title.|
|Win||21–1–1||Samransak Singmanasak||TKO||2 (10), 1:04||2014-03-28||Town Hall, Malvern, Victoria|
|Win||20–1–1||Samransak Singmanasak||TKO||3 (12), 1:14||2013-11-08||Town Hall, Malvern, Victoria|
|Draw||19–1–1||Rene Patilano||TD||8 (12), 2:23||2013-02-16||PAGCOR Grand Theatre, Parañaque, Metro Manila||Retained PABA Light Flyweight title.|
|Win||19–1||Jovel Romasasa||TKO||3 (8), 1:45||2012-12-08||Central Market, Iligan, Lanao del Norte|
|Win||18–1||Michael Bastasa||UD||8||2012-09-30||MLCBA Gym, Iligan, Lanao del Norte|
|Win||17–1||Wittawas Basapean||UD||12||2012-04-21||Mandaluyong Gym, Mandaluyong, Metro Manila||Won vacant PABA Light Flyweight title.|
|Win||16–1||Jherald Tuyor||TKO||2 (6), 2:55||2011-10-23||Buug Public Market, Buug, Zamboanga Sibugay|
|Win||15–1||Arnel Tadena||UD||10||2011-09-24||MSU-IIT Gym, Iligan, Lanao del Norte|
|Win||14–1||Michael Rodriguez||DQ||8 (12), 1:39||2011-08-06||Mandaue City Sports and Cultural Complex, Mandaue, Cebu||Won interim PABA Light Flyweight title.|
|Win||13–1||Yodchingchai Sithkonnapha||KO||1 (12), 1:03||2011-06-11||Lagao Gym, General Santos, South Cotabato||Won vacant WBC Asian Boxing Council Continental Light Flyweight title.|
|Win||12–1||Juanito Tumugsok||TKO||2 (6), 2:51||2011-04-25||Salug Gym, Salug, Zamboanga del Norte|
|Win||11–1||Rogen Flores||TKO||5 (10), 2:17||2011-02-26||Lagao Gym, General Santos, South Cotabato||Retained PBF Flyweight title.|
|Win||10–1||Allan Doronilla||KO||2 (10), 1:08||2010-12-04||Glan Municipal Gym, Glan, Sarangani||Won PBF Flyweight title.|
|Win||9–1||Rey Morano||TKO||1 (6), 2:22||2010-10-06||Glan Municipal Gym, Glan, Sarangani|
|Win||8–1||Charlie Cabilla||KO||8 (10), 1:15||2010-09-05||Polomolok Gym, Polomolok, South Cotabato|
|Win||7–1||Allan Doronilla||TKO||2 (10), 2:52||2010-12-04||Ipil, Zamboanga Sibugay||Won MinProBA Light Flyweight title.|
|Win||6–1||Michael Bastasa||UD||8||2010-07-15||Barangay San Jose, Aurora, Zamboanga del Sur|
|Loss||5–1||Marlon Tapales||TKO||2 (8), 2:50||2010-01-23||Cuneta Astrodome, Pasay, Metro Manila|
|Win||5–0||Ricardo Claveria||TKO||4 (8), 1:48||2009-10-31||Polomolok Gym, Polomolok, South Cotabato|
|Win||4–0||Wennie Bartiquel||TKO||2 (6), 2:23||2009-09-03||Polomolok Gym, Polomolok, South Cotabato|
|Win||3–0||Jherom Tuyor||TKO||3 (6), 1:41||2009-07-27||Polanco, Zamboanga del Norte|
|Win||2–0||Rolando Palac||TKO||2 (4), 1:47||2009-05-28||Maasim Municipal Gymnasium, Maasim, Sarangani|
|Win||1–0||Sherwin McDo Lungay||TKO||1 (4), 1:25||2009-03-28||Oval Gym, General Santos, South Cotabato||Professional debut.|
- List of Filipino boxing world champions
- List of WBA world champions
- List of light-flyweight boxing champions
- Buckley, Sean (August 26, 2014). "Petalcorin defeats Walter Tello for WBA Interim World Title". Retrieved September 16, 2014.
- "Randy Petalcorin named Ultra Tune". Ultratune.com.au. August 31, 2014. Retrieved September 16, 2014.
- "Altitude Services". August 31, 2014. Retrieved September 22, 2014.
- Buckley, Sean. "Randy Petalcorin defeats Ma Yi Ming in first round!". www.seanbuckleyultratune.com.au. Retrieved 24 April 2015.
- Boxing, Phil (11 November 2017). "PETALCORIN STOPS RAKNAFA IN ONE". www.philboxing.com.
- Randy Petalcorin's Professional Boxing Record. BoxRec.com. Retrieved on 2014-08-31.
Title last held byAlberto Rossel
| WBA Light Flyweight Interim Champion
August 26, 2014 – April 15, 2016