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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rb1 draw
4 Rb4 draw
5 Kb2 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Kb4 loss in 1 half-moves
14 Kc4 loss in 1 half-moves
15 Kd4 loss in 1 half-moves