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 Kc2 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kd2 win in 3 half-moves
5 Kd4 win in 3 half-moves
6 Rd7 win in 3 half-moves
7 Kb5 draw
8 Kb6 draw
9 Kc1 draw
10 Kc6 draw
11 Kd5 draw
12 Kd6 draw
13 Ke1 draw
14 Ra7 draw
15 Rb7 draw
16 Rc7 draw
17 Re3 draw
18 Re8 draw
19 Rf7 draw
20 Ke2 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves