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 Rh4 win in 3 half-moves
3 Re8 win in 5 half-moves
4 K7g7 draw
5 K7g8 draw
6 K8g7 draw
7 K8g8 draw
8 Kg6 draw
9 Kh6 draw
10 Rd4 draw
11 Re1 draw
12 Re2 draw
13 Re3 draw
14 Rf4 draw
15 Ra4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves