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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kc3 win in 5 half-moves
3 Ka2 draw
4 Kb1 draw
5 Kc2 draw
6 Kc4 draw
7 Kd2 draw
8 Kd4 draw
9 Ke4 draw
10 Ra5 draw
11 Rb5 draw
12 Rc5 draw
13 Rd5 draw
14 Re4 draw
15 Re6 draw
16 Re7 draw
17 Re8 draw
18 Rf5 draw
19 Ke2 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh5 loss in 2 half-moves