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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Ra2 draw
8 Ra4 draw
9 Ra6 draw
10 Ra7 draw
11 Rb8 draw
12 Rg8 draw
13 Rh8 draw
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves