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 Kc6 draw
3 Kd4 draw
4 Kd6 draw
5 Rc1 draw
6 Rc2 draw
7 Rc3 draw
8 Rc6 draw
9 Rc7 draw
10 Rc8 draw
11 Kc4 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 Rc4 loss in 2 half-moves