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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb7 win in 1 half-moves
4 Kb6 draw
5 Rb2 draw
6 Rb4 draw
7 Kc4 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Kb4 loss in 1 half-moves