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

EGTB: win in 2 half-moves

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