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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kd8 win in 5 half-moves
3 Rg7 win in 5 half-moves
4 Kd6 win in 7 half-moves
5 Kf8 win in 7 half-moves
6 Kc6 win in 9 half-moves
7 Kc8 win in 9 half-moves
8 Kb6 draw
9 Kb7 draw
10 Kb8 draw
11 Kd7 draw
12 Kg7 draw
13 Kh7 draw
14 Kh8 draw
15 Ra6 draw
16 Rf6 draw
17 Rg1 draw
18 Rg5 draw
19 Rh6 draw
20 Rb6 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves