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 Kc8 draw
4 Kdd7 draw
5 Kde7 draw
6 Ked7 draw
7 Kee7 draw
8 Kf7 draw
9 Kf8 draw
10 Ra3 draw
11 Re3 draw
12 Rf3 draw
13 Rg4 draw
14 Rg5 draw
15 Rg6 draw
16 Rg8 draw
17 Rh3 draw
18 Rb3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves