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 Rb6 win in 1 half-moves
3 Rb5 draw
4 Ka1 loss in 2 half-moves
5 Ka2 loss in 2 half-moves
6 Kbc1 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kcc1 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Kb3 loss in 1 half-moves
16 Rb3 loss in 1 half-moves