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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rc4 win in 3 half-moves
3 Kb1 win in 5 half-moves
4 Kb3 win in 5 half-moves
5 Kd1 win in 5 half-moves
6 Kd3 win in 5 half-moves
7 Rb5 win in 9 half-moves
8 K1b2 draw
9 K1c2 draw
10 K1d2 draw
11 K3b2 draw
12 K3c2 draw
13 K3d2 draw
14 Kc4 draw
15 Kd4 draw
16 Ra5 draw
17 Rc6 draw
18 Rg5 draw
19 Rh5 draw
20 Rc7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Rf5 loss in 2 half-moves