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

EGTB: win in 10 half-moves

# move score
1 K7g7 win in 9 half-moves
2 K8g8 win in 11 half-moves
3 Rb8 win in 11 half-moves
4 K7g8 draw
5 K8g7 draw
6 Kh6 draw
7 Ra7 draw
8 Rb1 draw
9 Rb5 draw
10 Rb6 draw
11 Rc7 draw
12 Rd7 draw
13 Re7 draw
14 Rf7 draw
15 Kg6 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rg7 loss in 2 half-moves