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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Ra1 draw
6 Ra3 draw
7 Ra5 draw
8 Ra7 draw
9 Rb8 draw
10 Rc8 draw
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rg8 loss in 1 half-moves