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 Kc8 draw
3 Ke8 draw
4 Kf5 draw
5 Kf7 draw
6 Kg5 draw
7 Kg6 draw
8 Kg7 draw
9 Ra1 draw
10 Ra8 draw
11 Re7 draw
12 Rf7 draw
13 Rh7 draw
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kde7 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Kfe7 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd7 loss in 2 half-moves