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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 5 half-moves
3 Kc3 win in 5 half-moves
4 Ra1 win in 5 half-moves
5 Rb1 win in 5 half-moves
6 Ka5 draw
7 Ka7 draw
8 Kb7 draw
9 Kc2 draw
10 Kc4 draw
11 Kd2 draw
12 Kd4 draw
13 Ke2 draw
14 Rc1 draw
15 Rd1 draw
16 Re2 draw
17 Re3 draw
18 Re4 draw
19 Re8 draw
20 Rf1 draw
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves