Joe Joyce scored a third round TKO win over Michael Wallisch to stay on course for an October meeting with Daniel Dubois.
The 34-year-old ended the contest with a vicious right and body shot to end the German's challenge at the BT Sport Studio in Stratford as boxing continued behind closed doors in the capital.
Joyce, who had not fought in over a year before tonight, was made to take a couple of stiff rights from Wallisch early in the contest as he sought a huge upset.
The 2016 Olympian found his rhythm however and dropped his opponent three times before the referee called the contest off.
It was a devastating finish from the Putney fighter; landing the thunderous shot upstairs before immediately following it up with one to the body that saw Wallish crumble to the mat.
Joyce and Dubois are scheduled to meet on October 24 in a bout twice rescheduled this year due to the coronavirus.
Due to the delays, both men opted for tune-up fights ahead of their all-London showdown that will move the winner into the frame for a world title shot.
Joyce took care of his side of the deal on Saturday night with it now over to Dubois to do likewise when he takes on Erik Pfeifer on August 29.
In Pictures | WBC heavyweight rankings | 19/07/19
Earlier on the card, middleweight prospect Denzel Bentley extended his professional record to 13-0 after stopping Mick Hall.
The Battersea fighter has stopped 11 of his opponents with Hall's team pulling their man out at the end of the sixth round.
The hard-hitting Bentley blasted his opponent with power shots throughout the contest with victory moving him into the frame for a British title shot.
Streatham's Chris Bourke meanwhile claimed the vacant Southern Area super-bantamweight title with a hard-fought win over Ramez Mahmood.
Mahmood, a school teacher outside of the ring, fought with plenty of aggression, matching Bourke in the volume of punches thrown but his opponent produced the more eye-catching shots over 10 rounds, closing out a 96-94 points win to take the belt.
Super lightweight prospect Henry Turner clinched a unanimous points with over journeyman Chris Adaway in his third professional fight, with Louie Lynn going 4-0 after a second round win over Monty Ogilvie.
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Henry Turner beats Chris Adaway via unanimous decision
Turner moves 3-0 - a slick performance from the 19-year-old.
Turner vs Adaway | Round 4
Adaway tries to close the distance in the fourth, gambling a bit more as he tries to show what he can do.
Turner slows him down though, catching him with a sharp left after Adway is caught out coming forward. The youngster takes the final round with ease.
Turner vs Adaway | Round 3
A nice right hand from Adaway keeps Turner honest but the latter gets back to landing those straight jabs effectively.
Adaway twice hits the deck but no knockdowns are given after a tangle of legs. One is given on the third occasion, however, with his gloves touching the mat after a swift right from Turner.
Turner vs Adaway | Round 2
Slick again from Turner who is using his jab very well, picking off Adaway when he throws his wide shots his way.
Turner vs Adaway | Round 1
A good opening round from Turner who ends it with a slick left uppercut. Adway doesn't get stopped very often - none in his last eight - he is a good test for young talents like his opponent tonight.
Chris Adaway is making his 87th pro appearance tonight - one of the most active men in the UK.
Turner at the other end is 2-0, making waves after an impressive amateur career.
19-year-old Henry Turner is in action next - he takes on Chris Adaway.
Time for a wipe down of the ring.
There was a couple of shots from Lynn while Ogilvie was down on each of those knockdowns - he's perhaps lucky not to be penalised.
He admits in his post-fight interview he got a "little carried away".
Louie Lynn beats Monty Ogilvie via second round TKO
Very impressive from Lynn who was on the front foot throughout.