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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd1 draw
5 Ke1 draw
6 Ke2 draw
7 Kf1 draw
8 Kf2 draw
9 Kg2 draw
10 Kh1 draw
11 Kh2 draw
12 Ra2 draw
13 Ra3 draw
14 Ra4 draw
15 Rb8 draw
16 Rf8 draw
17 Rg8 draw
18 Rh8 draw
19 Kc3 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re8 loss in 2 half-moves