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

EGTB: win in 2 half-moves

# move score
1 Kg7 win in 1 half-moves
2 Kg8 win in 1 half-moves
3 Rg3 win in 1 half-moves
4 Rb2 draw
5 Ka6 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kh7 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Kb6 loss in 1 half-moves
18 Kb7 loss in 1 half-moves
19 Kb8 loss in 1 half-moves
20 Rb6 loss in 1 half-moves
21 Rb7 loss in 1 half-moves
22 Rb8 loss in 1 half-moves