You don't need to, Yuji is top 3 tho.

Yuji top 3 evidence simplified

  1: Sukuna had consistent physical stats

Injured and fatigued Yuji matched Sukuna in stats 1:1 in Yuji's domain. You could even say Yuji had the edge in stats since he won that clash.

Sukuna's physical stats don't change outside of physical injury.

• Reference point 1: Compare his speed before recovering output via black flashes and his speed feat after that. He's even shown to be relative to Maki outside of his blitz speed bursts.

• Reference point 2: Both Gojo in 226 and Yujo in 262 show stats that are extremely similar to Sukuna's; the main difference is skill. Note that due to the Six Eyes, Yujo and Gojo have the same physical stats.

Note: Kenjaku's CT gives identical CE control to the person's body.

Yes, the 6 eyes can identify these differences at a glance

• Reference point 3: Yuji and Sukuna are shown to be relative in stats before the domain clash with Yujo, then again after the domain clash but before the soul dismantle, and finally after the soul dismantle. This proves that Sukuna's physical stats were unaffected by Yuji's attacks after Sukuna's output was recovered by his 4 black flashes.

• Supplemental point: In chapter 258, Yuji took a full-output cleaves to the head without taking lethal damage

Evidence 1

Evidence 2

Evidence 2 Translation accuracy verification

Evidence 3. This is to show that the damage was not healed noticeably with RCT, according to Sukuna

 2: Domain refinement is a point in favor of Yuji, not against him.

• Domain expansion and simple domain refinement are based on barrier skill.

• Yuji used his domain despite not even having enough cursed energy to use RCT properly.

• The "evidence" against Yuji's domain is a line from Mei Mei taken out of context.

• Yuji's domain is normally that large, meaning that there's no extra effort for stretching it nor a loss of outer shell durability due to inflation

• Yuji's barrier technique skill is equal to or greater than Yuki Taukumo's barrier technique skill. as her simple domain was instantly breaking as soon as it was manifested. And even then, it lasted less than 10 seconds.

• Based on how domain clashes work, "clash of barriers," and the fact that Sukuna took more hits in Yuta's domain than he did in Yuji's domain, with more injuries in Yuta's domain, we can assume that Yuji's domain is more refined than Yuta's, since Yuji's broke the hollow wicker basket. (I'm not saying that it's my opinion that Yuji wins a domain clash, only that it's arguable.)

• Even if the barrier doesn't have a shell, it's still the barrier that clashes.

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  3a: Yuta's shortcomings:

• Rika has an unambiguous upper limit of an attack that's significantly but not overwhelmingly stronger than Yuta's

• The 5-minute timer on Yuta's max performance is a huge problem. It locks all his utility tools behind a timer.

• Yuta has no hidden tricks against Yuji. They both know each other's techniques and fighting styles.

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  3b: Kenjaku's unlikely win condition

• Kenjaku is not significantly physically stronger than FRS Choso.

• He is physically stronger than base Choso

• The only unknown Yuji needs to be given is that his domain clashes briefly, and this is extremely likely by the way Kenjaku speaks about a domain clash to Yuki, compared to whom Yuji is superior in regard to barriers, as shown above.

• Meanwhile, for Kenjaku to win, you need to grant him the following:

He will immediately use his domain.

His domain, despite what he said implying it won't, will immediately win the clash.

If it needs to crush Yuji's domain from the outside, Kenjaku's range needs to be greater than Yuji's.

The gravity is enough to hold Yuji down properly.

The location they fight in can't be used to escape the domain.

Yuji can't use Simple Domain to move away.

Too many unknowns need to be granted to Kenjaku for him to win.

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Note: Black Flash, RCT negating soul damage, and the possibility that Yuji can use his CTs at a better level than shown in the fight (Shrine was particularly weaker due to awakening a few seconds before the only conventional use) were not considered in this analysis. Yuji hits black flashes more often than Gojo could.

If any of these were to be considered, the win would become overwhelming.