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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Ka3 draw
3 Kb3 draw
4 Kb5 draw
5 Kc3 draw
6 Kc4 draw
7 Kc5 draw
8 Ra3 draw
9 Ra4 draw
10 Ra6 draw
11 Ra7 draw
12 Rc8 draw
13 Ka4 loss in 4 half-moves
14 Ka5 loss in 4 half-moves
15 Rb8 loss in 4 half-moves
16 Ra1 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves