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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ra5 win in 5 half-moves
3 Rb1 win in 5 half-moves
4 Rb2 win in 5 half-moves
5 Rb3 win in 5 half-moves
6 Kc4 draw
7 Kc5 draw
8 Kd4 draw
9 Ke4 draw
10 Ke5 draw
11 Kc6 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc5 loss in 2 half-moves