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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kc3 win in 3 half-moves
3 Kd2 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Kd4 win in 3 half-moves
6 Ke1 win in 3 half-moves
7 Ke2 win in 3 half-moves
8 Rc8 win in 3 half-moves
9 Rd8 win in 3 half-moves
10 Re5 win in 3 half-moves
11 Re4 win in 5 half-moves
12 Rb8 win in 9 half-moves
13 Kb4 draw
14 Kc1 draw
15 Kc2 draw
16 Kc5 draw
17 Kd5 draw
18 Ra8 draw
19 Re6 draw
20 Re7 draw
21 Rf8 draw
22 Kb5 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves