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 Rc4 draw
3 Rc5 draw
4 Rc6 draw
5 Rc7 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rh8 draw
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf1 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kg1 loss in 2 half-moves
21 Kg2 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Kg4 loss in 2 half-moves
24 Kg5 loss in 2 half-moves
25 Kg6 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb8 loss in 2 half-moves
28 Rc1 loss in 2 half-moves
29 Rc2 loss in 2 half-moves
30 Rc3 loss in 2 half-moves