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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Re3 win in 7 half-moves
3 K4g4 draw
4 K4g5 draw
5 K5g4 draw
6 K5g5 draw
7 Kg3 draw
8 Kg6 draw
9 Kh3 draw
10 Kh6 draw
11 Rc4 draw
12 Rd4 draw
13 Re1 draw
14 Re2 draw
15 Re8 draw
16 Rf4 draw
17 Ra4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves