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 Kg1 draw
3 Kg2 draw
4 Kg3 draw
5 Kg7 draw
6 Kg8 draw
7 Kh1 draw
8 Kh3 draw
9 Kh7 draw
10 Rc5 draw
11 Rc6 draw
12 Rc7 draw
13 Rd8 draw
14 Re8 draw
15 Ra8 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves