Chess Puzzle - Series 3041

White to move. How should white proceed ?

Source : chessdailynews.com

GM_Knockout said ;

1. d5!! Kc7
2. Ke2! Kb6
3. Ke3 Kc5
4. Ke4 Kb6
5. Kf5 Kc5
6. Ke6 Kd4
7. Kxd6 

OR

1. d5!! Ke7
2. Kc2! Kf6
3. Kc3 Ke5
4. Kc4 Kf6
5. Kb5 Ke7
6. Kc6 Kd8
7. Kxd6

OR

1. d5!! Kc7
2. Ke2! Kd7
3. Kf3 Ke7
4. Ke4 Kf7
5. Kf5 Ke7
6. Kg6 Kd7
7. Kf6 Kc7
8. Ke6

OR

1. d5!! Ke7
2. Kc2! Kd7
3. Kc3 Kc7
4. Kd4 Kb6
5. Ke3 Kc5
6. Ke4 Kb6
7. Kf5 Kc5
8. Ke6

- Black resigned1-0