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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Rb6 win in 5 half-moves
4 Kb7 draw
5 Kb8 draw
6 Kcd8 draw
7 Ked8 draw
8 Kf8 draw
9 Ra6 draw
10 Rc1 draw
11 Rc2 draw
12 Rh6 draw
13 Kcd7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ked7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves