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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 K5a6 draw
3 K5b6 draw
4 K7a6 draw
5 K7b6 draw
6 Ka4 draw
7 Ka5 draw
8 Ka7 draw
9 Ka8 draw
10 Kb4 draw
11 Kb8 draw
12 Kc7 draw
13 Kc8 draw
14 Ra1 draw
15 Ra5 draw
16 Ra6 draw
17 Ra7 draw
18 Rb2 draw
19 Rc2 draw
20 Rg2 draw
21 K5c6 loss in 2 half-moves
22 K7c6 loss in 2 half-moves
23 Kc4 loss in 2 half-moves
24 Kc5 loss in 2 half-moves
25 Ra3 loss in 2 half-moves
26 Ra4 loss in 2 half-moves
27 Rd2 loss in 2 half-moves
28 Re2 loss in 2 half-moves
29 Rf2 loss in 2 half-moves
30 Rh2 loss in 2 half-moves