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

EGTB: win in 4 half-moves

# move score
1 K1b2 win in 3 half-moves
2 K2b2 win in 3 half-moves
3 Ra3 win in 5 half-moves
4 Ra1 win in 7 half-moves
5 Ra5 win in 15 half-moves
6 Ra6 win in 15 half-moves
7 Ra7 win in 15 half-moves
8 Ra8 win in 15 half-moves
9 K1b1 draw
10 Ra4 draw
11 Rb2 draw
12 K1d1 loss in 2 half-moves
13 K1d2 loss in 2 half-moves
14 K2b1 loss in 2 half-moves
15 K2d1 loss in 2 half-moves
16 K2d2 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves