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 Kf3 loss in 10 half-moves
3 Rg4 loss in 10 half-moves
4 Ke3 loss in 2 half-moves
5 Ke4 loss in 2 half-moves
6 Ke5 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kg5 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh3 loss in 2 half-moves