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

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Rb1 win in 1 half-moves
3 Rb2 win in 1 half-moves
4 Re4 win in 1 half-moves
5 K3a4 loss in 2 half-moves
6 K5a4 loss in 2 half-moves
7 Ka2 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Kb3 loss in 1 half-moves
22 Rb3 loss in 1 half-moves