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 Kb7 draw
3 Rb3 draw
4 Rb4 draw
5 Kc6 loss in 2 half-moves
6 Kcc7 loss in 2 half-moves
7 Kcd8 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kdc7 loss in 2 half-moves
10 Kdd8 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves