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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Rh4 win in 3 half-moves
4 Re6 win in 5 half-moves
5 K7g7 draw
6 K7g8 draw
7 K8g7 draw
8 K8g8 draw
9 Kg6 draw
10 Kh6 draw
11 Rd4 draw
12 Re3 draw
13 Re5 draw
14 Re7 draw
15 Rf4 draw
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves