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 K3g3 draw
3 K3g4 draw
4 K4g3 draw
5 K4g4 draw
6 Kg2 draw
7 Kg5 draw
8 Kh2 draw
9 Kh5 draw
10 Ra3 draw
11 Re1 draw
12 Re2 draw
13 Re7 draw
14 Rf3 draw
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re8 loss in 2 half-moves