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 Kf7 draw
3 Kf8 draw
4 Kg7 draw
5 Kh7 draw
6 Kh8 draw
7 Ra8 draw
8 Rc1 draw
9 Rc5 draw
10 Rc6 draw
11 Rc7 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves