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 Kb2 draw
3 Kc1 draw
4 Kd1 draw
5 Kd2 draw
6 Ra2 draw
7 Ra3 draw
8 Ra7 draw
9 Re8 draw
10 Rf8 draw
11 Kb1 loss in 8 half-moves
12 Kb3 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves