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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc7 draw
3 Ke1 draw
4 Ke8 draw
5 Kg1 draw
6 Ra8 draw
7 Rc1 draw
8 Rc7 draw
9 Ke2 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Kd7 loss in 1 half-moves
18 Ke7 loss in 1 half-moves