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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka3 win in 7 half-moves
3 Kd1 win in 7 half-moves
4 Ka1 draw
5 Kab2 draw
6 Ra1 draw
7 Kb3 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kcb2 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves