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

EGTB: win in 4 half-moves

# move score
1 Kc8 win in 3 half-moves
2 Kd8 win in 5 half-moves
3 Rg7 win in 5 half-moves
4 Kb7 draw
5 Kb8 draw
6 Kd7 draw
7 Ke7 draw
8 Ke8 draw
9 Kf7 draw
10 Kg7 draw
11 Kg8 draw
12 Rf7 draw
13 Rh1 draw
14 Rh5 draw
15 Rh6 draw
16 Rh8 draw
17 Kb6 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rh2 loss in 2 half-moves
23 Rh3 loss in 2 half-moves
24 Rh4 loss in 2 half-moves