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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Ra1 draw
5 Ra2 draw
6 Rb5 draw
7 Ka6 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Kab6 loss in 1 half-moves
17 Kb4 loss in 1 half-moves
18 Kb5 loss in 1 half-moves
19 Kcb6 loss in 1 half-moves