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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rd3 loss in 12 half-moves
3 Kb7 loss in 10 half-moves
4 Ra3 loss in 10 half-moves
5 Rb1 loss in 10 half-moves
6 Rc3 loss in 10 half-moves
7 Ka7 loss in 8 half-moves
8 Ka8 loss in 6 half-moves
9 Rg3 loss in 4 half-moves
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rh3 loss in 1 half-moves