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 Kc7 loss in 4 half-moves
3 Kc8 loss in 4 half-moves
4 Rh5 loss in 4 half-moves
5 Rh6 loss in 4 half-moves
6 Rh7 loss in 4 half-moves
7 Rh8 loss in 4 half-moves
8 Ka7 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Rh2 loss in 2 half-moves
14 Rh3 loss in 2 half-moves
15 Rc4 loss in 1 half-moves
16 Rd4 loss in 1 half-moves
17 Re4 loss in 1 half-moves
18 Rf4 loss in 1 half-moves
19 Rh1 loss in 1 half-moves