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 Kc6 win in 9 half-moves
3 Kd6 win in 11 half-moves
4 Ka3 draw
5 Kb6 draw
6 Kcb5 draw
7 Kd5 draw
8 Ra7 draw
9 Ra8 draw
10 Kab4 loss in 2 half-moves
11 Kab5 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kcb4 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves