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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Kb8 win in 5 half-moves
3 Rf4 win in 5 half-moves
4 Rh7 win in 5 half-moves
5 Kc7 draw
6 Kcd7 draw
7 Kcd8 draw
8 Ke7 draw
9 Ked7 draw
10 Ked8 draw
11 Kf7 draw
12 Kf8 draw
13 Ra4 draw
14 Re4 draw
15 Rg4 draw
16 Rh3 draw
17 Rh5 draw
18 Rh6 draw
19 Rh8 draw
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Rh1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves