Before finishing his career in July 2008 orthodox boxer Joval built up a record of 37 wins, 0 draws, and 5 losses, starting at age 25 on January 1994 and ending 14 years later at . The longest win streak that Joval has ever recorded was between January 1994 and September 1996 when it totaled 16 wins. Joval's longest KO streak is 4 fights long.
In a successful debut, Joval fought Hilario Mercedes in a 4 round fight defeating him over the distance and becoming only the 10th person to defeat Mercedes. Joval continued his pro journey, which was mostly successful at this point, by fighting 26 fights following his debut. Fights against boxers such as Agostino Cardamone, Mohamed Boualleg and Mpush Makambi followed including 3 times in 1994, 4 times in 1995 and 9 times between 1996 and 2000.
Taking the first knock of his career, Joval fought Erland Betare on November 19th, 1996 and was defeated by Betare. On November 19th, 1996, Joval took on and was defeated over the distance by Erland Betare in his first career defeat. Joval lost via PTS in a valiant effort. 4 wins followed for Joval including being the 3rd person to stop Danny Defevre, 6th person to defeat Mohamed Boualleg and 16th person to defeat Colin Manners.
Joval went into his next career fight with a record of 20-1-0 and took this to 23 wins with a win against Agostino Cardamone on June 26th, 1999. Becoming the 3rd fighter to stop Cardamone, Joval beat Cardamone via TKO in the 9th round of a 12 round fight. Fights against boxers including Sam Soliman, Mpush Makambi and Mpush Makambi followed where he won 6 fights taking his winning streak to 28 wins.
Pushing his career further, Joval fought Pascal Minietti on May 2nd, 2002 adding to his winning record. Joval was the 4th person to beat Pascal Minietti where he showed his talent as a technical boxer, beating him over 8 rounds in his 21st professional fight. Joval continued his success in the next 5 fights taking his record to 33 wins, 3 losses and 0 draws.
On March 26th, 2005, Joval took on and was defeated by Fernando Vargas meaning his career tally went to 33-4-0. Joval fought and was defeated by Fernando Vargas. Joval was the 3rd person to go the distance with this opponent. Joval's wins continued and went from 33 wins to 34 after he then defeated Lansana Diallo.
Shannan Taylor was the next fight for Joval on November 27th, 2005 and also his next career win. The win against Taylor happened in the 10th round of a 12 round fight via TKO.
The next defeat of Joval's career came against James Mcgirt on July 25th, 2008. This took his career record to 37-5-0. It took 42 pro fights for Joval to decide it was now too much to continue fighting. Joval's 10 round defeat to Mcgirt was Joval's final fight as a pro.