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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rc2 draw
3 Rc4 draw
4 Rc5 draw
5 Rc6 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Ke3 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Kh6 loss in 2 half-moves
21 Kh8 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rc8 loss in 2 half-moves