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 Kg2 draw
3 Kg8 draw
4 Kh2 draw
5 Kh4 draw
6 Kh7 draw
7 Ra8 draw
8 Rc1 draw
9 Rc2 draw
10 Rc3 draw
11 Rc7 draw
12 Rg8 draw
13 Kg3 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves