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 Rb7 win in 1 half-moves
3 Kb1 draw
4 Kc1 draw
5 Kd1 draw
6 Rb5 draw
7 Rb6 draw
8 Kb3 loss in 2 half-moves
9 Kc3 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 Rb1 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb8 loss in 2 half-moves