Hoshoryu immediately got a left-hand outside grip of the belt of Mitakeumi and drove the sekiwake out in a matter of seconds to improve to 10-1.
Mitakeumi, who failed to secure the 10 wins needed to regain ozeki status in this tournament, put up almost no resistance and dropped to 4-7.
Abi used his trademark double-handed arm thrusts to the neck to knock rank-and-filer Oho out of the lead while putting himself in contention.
No. 9 maegashira Abi, who was coming off two straight losses, was eager to get back in the win column and improved to 8-3.
"I was able to concentrate well," Abi said. "I was able to snap a two-bout losing streak and regroup. I'm not really thinking about the wins and losses, just trying to give it my all."
Takayasu Stays in Title Hunt
Takayasu is also bidding for his first championship and will face Ryuden on Day 12.
It is still an uphill battle for Shodai, who needs to win three or the last four bouts to maintain his ozeki status for the next tournament.
It's been a disappointing tournament for sekiwake Wakatakakage, who came into the 15-day Kyushu Basho with championship hopes but dropped to 6-5.
Takakeisho Improves to 8-3
Komusubi Kiribayama deployed a perfect outside leg trip to topple No. 6 maegashira Ryuden and give both men a record of 7-4.
No. 2 maegashira Ichinojo, who won the July tournament, has struggled in this meet and dropped to 2-9.
With the thrust-out victory, Nishikigi improved to 5-6 while komusubi Tamawashi dropped to 3-8.
Daieisho Gets 300th Win in Top Division
Komusubi Daieisho improved to 5-6 while No. 2 maegashira Meisei saw a four-bout win streak come to an end and dropped to 6-5.
Third-ranked maegashira Midorifuji deployed a textbook beltless arm throw to slam Tobizaru down to the dirt surface and improve to 6-5. Komusubi Tobizaru, who started the tournament with three straight wins, dropped to 5-6.
Author: Jim Armstrong
The author is a longtime journalist who has covered sports in Japan for over 25 years. You can find his articles here.