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 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Ra4 draw
6 Re7 draw
7 Rf7 draw
8 Rh7 draw
9 Kd3 loss in 2 half-moves
10 Kd4 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kee3 loss in 2 half-moves
13 Kee5 loss in 2 half-moves
14 Kef3 loss in 2 half-moves
15 Kef5 loss in 2 half-moves
16 Kfe3 loss in 2 half-moves
17 Kfe5 loss in 2 half-moves
18 Kff3 loss in 2 half-moves
19 Kff5 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Kg5 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Ra8 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rc7 loss in 2 half-moves
28 Rd7 loss in 2 half-moves