Sherdog’s Official Mixed Martial Arts Rankings

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Women’s Atomweight

1. Seika Izawa (6-0) | Rizin [1]

At Rizin 35 on April 17, Izawa proved that her massive New Year’s Eve upset of Ayaka Hamasaki was no fluke, as she won via unanimous decision, this time with the Rizin super atomweight belt on the line. Izawa moves on to the Rizin atomweight grand prix, where she will lock horns with Maria Laura Alves Fontoura in a quarterfinal matchup on July 31.

2. Ayaka Hamasaki (23-5) | Rizin [2]

After her shocking technical knockout loss to Seika Izawa in a non-title bout on at Rizin 31 in December, Hamasaki came up short once again at Rizin 35, losing her super atomweight title in the process. With her rich résumé of elite wins at atomweight as well as strawweight, Hamasaki remains one of the most accomplished pound-for-pound women in the sport. Hamasaki will begin the road back to the title when she meets Jessica Aguilar in the opening round of Rizin’s atomweight tournament.

3. Jessica Correa Delboni (12-3) | Invicta [3]

After losing a contentious split verdict in their first meeting, Delboni was in complete control the second time around against Alesha Zappitella, winning a clear-cut unanimous decision behind stout takedown defense and a variety of damaging punches, elbows and knees in the Invicta FC 45 headliner on Jan. 12. The newly-crowned atomweight queen has won three of her last four under the Invicta banner, but with Zappitella expected to move to 115 pounds, a trilogy doesn’t appear to be likely at this point in time.

4. Namiko Kawabata (3-1) | Jewels [4]

Kawabata pulled off a stunning upset at Deep Jewels 36, besting Saori Oshima in a non-title bout at 108 pounds. That victory comes on the heels of a loss to Miki Motono this past December, so the turnaround against Oshima was not expected. Nonetheless, Kawabata, who began her professional tenure in March 2021, has emerged as a talent to watch at atomweight on the heels of her latest performance.

5. Saori Oshima (9-3) | Jewels [5]

Oshima relied on a mult-faceted striking arsenal to capture a split-decision triumph against Miyuu Yamamoto at Rizin 36 on July 2 in Okinawa, Japan. It was the second victory under the Rizin banner for the Deep Jewels champion — she also bested Kanna Asakura in October 2021 — and her sixth victory in her last seven professional outings overall. During that stretch, the 27-year-old AACC product’s only defeat came in a non-title bout against Namiko Kawabata at Deep Jewels 36.

6. Kanna Asakura (19-6) | Rizin [6]

Asakura bounced back from her October loss to Saori Oshima, defeating fellow super atomweight contender Satomi Takano by unanimous decision at Rizin 35 on April 17. With the win, the 24-year-old reaffirms her own contender status in the division. Up next, Asakura will square off against Si Woo Park in the quarterfinals of the Rizin atomweight grand prix on July 31

7. Alesha Zappitella (9-4, 1 NC) | Invicta [7]

Zappitella’s move to the strawweight division didn’t go as planned, as she suffered a doctor stoppage loss to Emily Ducote after two rounds in the Invicta FC 47 main event on May 11. “Half Pint” has now lost back-to-back title bouts — one at 115 pounds and one at 105 pounds — after compiling a four-fight winning streak from February 2020 to May 2021. It appears that her future will remain in the strawweight division for the time being.

8. Si Woo Park (7-4) | Jewels [8]

Park won her second consecutive bout, taking a unanimous decision triumph over Aira Koga at Deep “Cage Impact 2022 in Osaka” on April 10. That triumph comes on the heels of an upset victory over Shoot Boxing champion Rena Kubota at Rizin 33. The 30-year-old Busan, South Korea, native has won seven of her last nine appearances after dropping her first two professional outings. Park’s next assignment comes againt Kanna Asakura at Rizin 37 as part of the promotion’s atomweight grand prix.

9. Rena Kubota (12-4) | Rizin [9]

Kubota had a chance to lay claim to contender status in Rizin’s atomweight division, but instead the Shoot Boxing champion suffered an upset unanimous decision loss to Si Woo Park on New Year’s Eve at Saitama Super Arena in Saitama, Japan. That snaps a four-bout winning streak for Kubota, who had previously bested Miyuu Yamamoto, Emi Tomimatsu, Lindsey VanZandt and Alexandra Alvare Carlos under the Rizin banner. In her next outing, Kubota will face Anastasiya Svetkivska in the opening round of the Rizin atomweight grand prix on July 31.

10. Satomi Takano (16-13) | Shooto [10]

Takano had a three-bout winning streak snapped at Rizin 35, where she dropped a unanimous decision to Kanna Asakura in Tokyo on April 17. Prior to that setback, “Sarami” had been victorious in five of her last six professional outings — including a noteworthy five-round verdict over Mina Kurobe in a title bout under the Shooto banner in November 2021.

Other Contenders: Mina Kurobe, Jillian DeCoursey, Miyuu Yamamoto, Ana Palacios, Moe Sasaki.

Sherdog’s divisional and pound-for-pound rankings are compiled by a panel of Sherdog.com staff members and contributors: Tristen Critchfield, Mike Fridley, Brian Knapp, Ben Duffy, Jay Pettry, Edward Carbajal, Marcelo Alonso, Tudor Leonte, Keith Shillan, John Brannigan, Tyler Treese and Lev Pisarsky.

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