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 Kc6 draw
3 Kc7 draw
4 Kd7 draw
5 Kde7 draw
6 Ke6 draw
7 Ke8 draw
8 Kf7 draw
9 Kfe7 draw
10 Kg7 draw
11 Kg8 draw
12 Ra1 draw
13 Ra5 draw
14 Ra6 draw
15 Ra8 draw
16 Rb7 draw
17 Rf7 draw
18 Rh7 draw
19 Rd7 loss in 4 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Ke5 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Re7 loss in 2 half-moves