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 Kc7 draw
3 Kd5 draw
4 Ke5 draw
5 Ke6 draw
6 Ke7 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Kg1 draw
11 Kg3 draw
12 Kh1 draw
13 Kh2 draw
14 Kh3 draw
15 Rc7 draw
16 Rd8 draw
17 Re7 draw
18 Rf7 draw
19 Rh7 draw
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Rb7 loss in 2 half-moves