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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rc4 win in 1 half-moves
3 Ka5 loss in 2 half-moves
4 Ka8 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Ra4 loss in 2 half-moves
7 Rb2 loss in 2 half-moves
8 Rb3 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rd4 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 K6b6 loss in 1 half-moves
16 K6b7 loss in 1 half-moves
17 K7b6 loss in 1 half-moves
18 K7b7 loss in 1 half-moves
19 Kb5 loss in 1 half-moves
20 Rb5 loss in 1 half-moves
21 Rb6 loss in 1 half-moves
22 Rb7 loss in 1 half-moves