Pompey’s opening two League One contests have provided a positive outcome at one end of the pitch.
But after successive goalless draws against Shrewsbury and Rochdale, Kenny Jackett knows where his side need to improve.
Wigan head to Fratton Park this weekend also in search of a maiden three-point haul following their relegation from the Championship.
And despite plenty of players leaving the financially-stricken club over the summer, Jackett still expects a tough test.
The Blues boss said: “We’ve had some frustrating draws so far – especially last week, when we managed to build up a good head of steam.
“You always want to be scoring goals and while we’ve looked pretty settled at the back, we want to be winning games to get properly up and running.
"We’re coming back to home soil and have to do everything we can to achieve our first league win of the season."
“Now we want to start off how we finished at Rochdale, while making sure we put away some of those chances.
“We’re coming back to home soil and have to do everything we can to achieve our first league win of the season.
“If you look at Wigan’s starting 11 then it’s very good and we’ve watched all of the games they’ve played so far.
“There’s still a lot of talent there and also experience of both League One and the Championship. We certainly know that we’ll have to be right at our best.”
Ronan Curtis limped down the tunnel at the end of Pompey’s trip to Spotland last weekend, but has returned to full training.
Jackett said: “The only one not available for Saturday is Alex Bass – other than him we have a fully fit squad.
“Ronan trained with us on Thursday and feels good. There are no problems and he’s fine to face Wigan.”