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 Kd7 draw
3 Rb5 draw
4 Rb7 draw
5 Rb8 draw
6 Ke6 loss in 4 half-moves
7 Ke7 loss in 4 half-moves
8 Kc5 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rb2 loss in 1 half-moves
17 Rb3 loss in 1 half-moves