Here are the historical evidences. Where are yours?
Justin Martyr
Then they are brought by us where there is water and are regenerated in the same manner in which we were ourselves regenerated. For, in the name of God, the Father… and of our Savior Jesus Christ, and of the Holy Spirit [Matt. 28:19], they then receive the washing with water. For Christ also said, “Unless you are born again, you shall not enter into the kingdom of heaven” (First Apology61 [A.D. 151]).
Irenaeus
And [Naaman] dipped himself . . . seven times in the Jordan’ [2 Kgs. 5:14]. It was not for nothing that Naaman of old, when suffering from leprosy, was purified upon his being baptized, but [this served] as an indication to us. For as we are lepers in sin, we are made clean, by means of the sacred water and the invocation of the Lord, from our old transgressions, being spiritually regenerated as newborn babes, even as the Lord has declared: ‘Except a man be born again through water and the Spirit, he shall not enter into the kingdom of heaven’ [John 3:5] (Fragments of the Lost Writings 34 [inter A.D. 175-185]).
Clement of Rome
But you will perhaps say, ‘What does the baptism of water contribute toward the worship of God?’ In the first place, because that which has pleased God is fulfilled. In the second place, because when you are regenerated and born again of water and of God, the frailty of your former birth, which you have through men, is cut off, and so . . . you shall be able to attain salvation; but otherwise it is impossible. For thus has the true prophet [Jesus] testified to us with an oath: “Verily, I say to you, that unless a man is born again of water . . . he shall not enter into the kingdom of heaven” (Recognitions of Clement 6:9 [A.D. 221]).
Cyprian
[l]t behooves those to be baptized . . . so that they are prepared, in the lawful and true and only baptism of the holy Church, by divine regeneration, for the kingdom of God . . . because it is written “Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God” (Epistles 72 [73]: 21 [A.D. 252]).
Cyril of Jerusalem
Since man is of a twofold nature, composed of body and soul, the purification also is twofold: the corporeal for the corporeal and the incorporeal for the incorporeal. The water cleanses the body, and the Spirit seals the soul. . . . When you go down into the water, then, regard not simply the water, but look for salvation through the power of the Spirit. For without both you cannot attain to perfection. It is not who says this, but the Lord Jesus Christ, who has the power in this matter. And he says, ‘Unless a man be born again,’ and he adds the words ‘of water and of the Spirit,’ ‘he cannot enter the kingdom of God.’ He that is baptized with water, but is not found worthy of the Spirit, does not receive the grace in perfection. Nor, if a man be virtuous in his deeds, but does not receive the seal by means of the water, shall he enter the kingdom of heaven. A bold saying, but not mine; for it is Jesus who has declared it (Catechetical Lectures 3:4 [A.D. 350]).