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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd6 draw
5 Ke6 draw
6 Ke7 draw
7 Rc6 draw
8 Rd8 draw
9 Kd8 loss in 6 half-moves
10 Ke8 loss in 4 half-moves
11 Rc1 loss in 4 half-moves
12 Rc5 loss in 4 half-moves
13 Rc7 loss in 4 half-moves
14 Ra8 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rc2 loss in 1 half-moves
20 Rc3 loss in 1 half-moves
21 Rc4 loss in 1 half-moves