Learn Italian: Puoi vincere, basta che tu abbia una strategia. - You can win, provided that you have a strategy.

The phrase basta che (provided that / as long as) establishes a condition that must be met for the main action to happen. Because it sets up a dependency or a hypothetical requirement rather than a stated fact, it acts as a trigger for the subjunctive mood. abbia is the present subjunctive form of avere.

Italian usually drops subject pronouns. Why is tu explicitly used here before abbia?

In the present subjunctive, the conjugations for io, tu, and lui/lei/Lei are exactly the same. For the verb avere, they are all abbia. Including the pronoun tu removes any ambiguity, making it instantly clear that you are saying "as long as you have a strategy" rather than "as long as I have a strategy."

What is the literal meaning of basta che?

It literally translates to "it is enough that." It comes from the verb bastare (to be enough / to suffice). Understanding the sentence literally as "you can win, it is enough that you have a strategy" makes it easier to see how it sets up a condition.

Could I use finché here, since it also means "as long as"?