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 Ka3 draw
3 Kb2 draw
4 Kb3 draw
5 Ra6 draw
6 Ra7 draw
7 Rb8 draw
8 Rd8 draw
9 Kb1 loss in 10 half-moves
10 Ka1 loss in 6 half-moves
11 Ra3 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Re8 loss in 1 half-moves