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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb5 draw
6 Ra2 draw
7 Ra4 draw
8 Ra5 draw
9 Ra6 draw
10 Rc7 draw
11 Kc3 loss in 12 half-moves
12 Rb7 loss in 10 half-moves
13 Ka4 loss in 8 half-moves
14 Kc4 loss in 6 half-moves
15 Kc5 loss in 6 half-moves
16 Rd7 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Re7 loss in 1 half-moves