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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rg6 loss in 4 half-moves
3 Rg7 loss in 4 half-moves
4 Rg8 loss in 4 half-moves
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Rf3 loss in 2 half-moves
12 Rg1 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 Rc3 loss in 1 half-moves
17 Rd3 loss in 1 half-moves
18 Re3 loss in 1 half-moves
19 Rg2 loss in 1 half-moves