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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Ke1 draw
3 Ke2 draw
4 Ke5 draw
5 Ke6 draw
6 Ke7 draw
7 Kf2 draw
8 Kf5 draw
9 Kf7 draw
10 Kg1 draw
11 Kg2 draw
12 Kg5 draw
13 Kg6 draw
14 Kg7 draw
15 Rc3 draw
16 Rd8 draw
17 Re8 draw
18 Rf8 draw
19 Rh8 draw
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Rc6 loss in 2 half-moves
27 Rc7 loss in 2 half-moves