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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kg5 loss in 6 half-moves
3 Kh5 loss in 6 half-moves
4 Re2 loss in 4 half-moves
5 Rf2 loss in 4 half-moves
6 Rg2 loss in 4 half-moves
7 Rh2 loss in 4 half-moves
8 Kg3 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Ra2 loss in 1 half-moves
16 Rb5 loss in 1 half-moves
17 Rb6 loss in 1 half-moves
18 Rb7 loss in 1 half-moves
19 Rb8 loss in 1 half-moves