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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rb6 win in 5 half-moves
3 Rb3 draw
4 Rb4 draw
5 Rb5 draw
6 Rb7 draw
7 Rc2 draw
8 Rd2 draw
9 Re2 draw
10 Rf2 draw
11 K7g7 loss in 2 half-moves
12 K7g8 loss in 2 half-moves
13 K8g7 loss in 2 half-moves
14 K8g8 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves