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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb4 draw
6 Kb6 draw
7 Kb7 draw
8 Kb8 draw
9 Kc7 draw
10 Kd7 draw
11 Kd8 draw
12 Ra1 draw
13 Ra5 draw
14 Ra7 draw
15 Ra8 draw
16 Rb2 draw
17 Rc2 draw
18 Rg2 draw
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves