However, he insists that Enstone has no regrets about its decision to give the A523 a major upgrade over the sprint weekend, even though they know they have limited time to hone it.
All teams have only one FP1 session in preparation for qualifying on Friday afternoon.
Pierre Gasly missed most of the race after a hydraulic leak caused a fire, while his teammate Esteban Ocon had to remain in the garage after discovering the problem.
Before qualifying, Alpine’s mechanics scrambled to install a new powerplant and gearbox on Gasly’s car after it was belatedly returned from the track pit.
Their efforts didn’t pay off, however, when Gasly crashed badly early in Q1, leaving him at the back of the grid for Sunday’s Grand Prix.
Meanwhile, Ocon recovered from a limited practice setback to qualify 12th and the team made some setup gambles with limited knowledge.
Szafnauer admits that FP1’s problems are making life difficult for it.
“Unfortunately we had a hydraulic leak which caused Pierre’s car to catch fire,” he told Autosport.
“Then, when we brought Esteban in, we also noticed a potential problem with the rear of the gearbox and decided to investigate further before putting him on the field again.
“Also, it turned out that it was a glitch on Esteban’s car. But there wasn’t enough time to go downstairs, investigate, and go upstairs again. By then, the meeting was over. We lost half of the the match of.”
Szafnauer said the lost track time was costly as the team was unable to complete a planned job on a new floor kit for both cars.
“They’re all behind because when you do an upgrade, the first thing you do is start dialing it in,” he said.
“We had an hour to do an upgrade, it wasn’t a minor upgrade, it was a new floor.
“With a new floor, you have to do all kinds of different iterations of the setup to get it to work, and unfortunately we didn’t have the opportunity to do that.
“We had reliability issues with what we built ourselves. But once you don’t have a chance to get the car set up properly for a new upgrade, you’re always on the back foot.”
Szafnauer admitted the team made life difficult by bringing the new kit to sprint weekends knowing that sprint practice would be limited.
However, he insists that if the session is more fluid, there will be plenty of time to optimize it.
“We made that choice,” he said. “Maybe it bites us, but we can’t predict reliability issues. If we knew we had half an hour of FP1, we would have made different choices.
“So hindsight is a lovely thing here. But there was an hour, and we thought we had plenty of time to make the necessary settings changes.
“I mean, we were tweaking the settings on the fly in qualifying in Esteban’s car. And he was getting faster and faster. He made a small mistake in the last corner and it cost him about ten in lap Q2. half past two.
“If he hadn’t made that little mistake, maybe everybody could have said those things and he’d be in Q3. He barely got out of Q1.
“Then we learned from that and made some setup changes and it got faster. So I’m looking forward to calling the new floor and seeing where we are.
“Let’s see what happens on Saturday. We have more time to prepare through the night than between meetings. So we’ll get the car ready and do more work.”
Given the tough day, Szafnauer questioned the wisdom of sprinting on a challenging street course.
“If the new format is what we’re going to be doing in the future, I think we have to look carefully at the types of circuits that we have in that format,” he said.
“Maybe you don’t want to be in Baku, Monaco, Singapore or Canada where if you make a small mistake you know your day is ruined. So we just have to be careful.”