Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Kd6 draw
3 Kd7 draw
4 Kee7 draw
5 Kef7 draw
6 Kfe7 draw
7 Kff7 draw
8 Kg5 draw
9 Kg6 draw
10 Ra6 draw
11 Rb1 draw
12 Rb8 draw
13 Kd5 loss in 2 half-moves
14 Kee5 loss in 2 half-moves
15 Kef5 loss in 2 half-moves
16 Kfe5 loss in 2 half-moves
17 Kff5 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rd6 loss in 2 half-moves