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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Kc3 win in 1 half-moves
3 Ra3 win in 1 half-moves
4 Ra4 win in 1 half-moves
5 Ra5 win in 1 half-moves
6 Ra7 win in 1 half-moves
7 Kab1 loss in 2 half-moves
8 Kab2 loss in 2 half-moves
9 Kc1 loss in 2 half-moves
10 Kcb1 loss in 2 half-moves
11 Kcb2 loss in 2 half-moves
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb2 loss in 2 half-moves