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

EGTB: win in 6 half-moves

# move score
1 Ra6 win in 5 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kd7 draw
6 Kd8 draw
7 Ke8 draw
8 Kf7 draw
9 Kf8 draw
10 Ra8 draw
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves