Nat Sciver-Brunt's England began their T20 campaign with a record tournament total in an 87-run hammering of Sri Lanka on Friday in front of 14,865 fans at Edgbaston.
While women's soccer and rugby have broken into the mainstream, the world's top T20 female cricketers are going for glory at a time when the sporting landscape is being dominated by the FIFA World Cup.
Gupta, though, argued ticket sales reaching around 220,000 before a ball has been bowled - by far a tournament record - suggests the women's event over the next three weeks will stand in its own right.
"We genuinely see this event as a seminal moment for the sport," Gupta said. "I think the World Cups can co-exist. We've not seen any impact on ticket sales.
"If anything the ticket sales have been stronger than ever, which is why we're at a point where we've sold more tickets than any previous edition of the Women's T20 World Cup.
"Our attendance numbers are tracking in the manner that we expected them to and the projections are for them to touch 300,000. If the weather holds up then we will have a fantastic tournament which will stand in its own right.
"We've seen tremendous acceleration in the growth of women's cricket to an extent where we now believe this event could potentially be one of the two biggest women's sporting events ever. It is not in any way being played in the shadow of the FIFA Men's World Cup."
The last Women's Cricket World Cup to be held in the UK nine years ago saw Derby, Leicester, Bristol and Taunton used as venues before Lord's staged the final, when England overcame India.
This time, six of the seven grounds being used host England men's Tests and The Hundred, which Gupta believes is another step in the right direction.
"The importance of playing at venues which have been associated with marquee cricket adds to the prestige and the value of the cricket that's being played," Gupta added.
"We've already seen women's cricket reach a point where we're still in investment mode so it's still building up and in a phase of its development where it's converting fans.
"It's not reached a point where it has the scale which we would ideally want it to have but it's definitely come to a point where it has the foundations to leap from."
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