On August 2 at the Adachi Ward Sogo Sports Center in Tokyo, Japan, Naoko Shibata, 106 ¾, of Tokyo, defended her IBF female light-flyweight title by stopping veteran Mexican contender Ana Arrazola, 107 ¾, in the ninth round of a scheduled ten. At the time of the stoppage, Shibata led on the score cards by an impressive margin (79-73/79-73/78-74). Shibata is quietly one of the best fighters in women’s boxing. Of her three losses, two were closely contested defeats to Ibeth Zamora-Silva (SD-10) and Etsuko Tada (UD-10). The other, a 2010 defeat to Naoko Fuijoka. For Arrazola (20-10-2, 13 KOs), who has fought the best from minimumweight to flyweight losing to Yesica Yolanda Bopp, Susi Kentikian, and Ji-Hyun Park, suffers her first stoppage loss to Shibata. Arrazola has won several minor titles at minimumweight and light-flyweight, has consistently faltered in world title fights against élite competition. With the win, Naoko Shibata moves to (13-3, 3 KOs) will look to defend her title against top contenders Sanae Jah (IBF #2) or Jessica Chavez (IBF #3).
On the undercard, southpaw Momo Koseki, 101 ¼, of Tokyo, defended her WBC female atomweight title (102 lbs.) for a record-breaking 14th time with an eight-round demolition of Muay-Thai boxing star Denise Castle, 101 ¼, of Bournemouth, United Kingdom. The fight was halted at the 2:09 mark of the eighth round of a scheduled ten when the assigned referee determined that Castle (2-1, 2 KOs) had absorbed too much punishment. Koseki (19-2-1, 6 KOs) was leading by the score of (70-63) on each scorecard. With the win, Koseki surpasses Yoko Gushiken’s thirteen defenses to become the Japanese fighter with the most successful title defenses.
On August 1 in Cordoba, Argentina, Carolina Marcela Gutierrez, 121 ¼, won a closely contested eight-round unanimous decision over Anahi Yolanda Salles, 120 3/4 by the scores (77 ½-76/77 ½-76 1/2/ 78 ½-75 ½). Gutierrez improves to (22-4-1, 13 KOs) and Salles drops to (4-13-2). Salles suffered a knockdown in round #3.
Tania Enriquez (3-0, 1 KO) KO-1 Ana Perez (0-1)
Noemi Bosques (6-1-2, 2 KOs) KO-3 Yolaine Lin De Lauf (6-2, 2 KOs)