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 Ke8 draw
3 Kg1 draw
4 Kg8 draw
5 Ra8 draw
6 Rc1 draw
7 Rc6 draw
8 Rc7 draw
9 Rd8 draw
10 Re8 draw
11 Ke7 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg2 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kh2 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves