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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kcd5 win in 3 half-moves
5 Kcd6 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 Rb1 win in 3 half-moves
8 Rc5 win in 5 half-moves
9 Kb5 draw
10 Kc5 draw
11 Kd4 draw
12 Ke4 draw
13 Ke6 draw
14 Ked5 draw
15 Ked6 draw
16 Ra1 draw
17 Rc2 draw
18 Rc3 draw
19 Rd1 draw
20 Re1 draw
21 Kf4 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Kf6 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves