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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Kde7 draw
6 Kde8 draw
7 Ke6 draw
8 Kf6 draw
9 Kf8 draw
10 Kfe7 draw
11 Kfe8 draw
12 Kg6 draw
13 Kg7 draw
14 Kg8 draw
15 Ra5 draw
16 Rb3 draw
17 Rb4 draw
18 Rb6 draw
19 Rb7 draw
20 Rb8 draw
21 Rf5 draw
22 Rh5 draw
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Rd5 loss in 2 half-moves
27 Re5 loss in 2 half-moves