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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Rh3 win in 3 half-moves
3 Kf3 draw
4 Kf4 draw
5 Kf5 draw
6 Kg5 draw
7 Kg7 draw
8 Kg8 draw
9 Kh3 draw
10 Kh4 draw
11 Kh5 draw
12 Kh7 draw
13 Rd3 draw
14 Re1 draw
15 Re2 draw
16 Re7 draw
17 Re8 draw
18 Rf3 draw
19 Kg3 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Re6 loss in 2 half-moves