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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka3 loss in 22 half-moves
3 Ra4 loss in 22 half-moves
4 Rb3 loss in 22 half-moves
5 Kc2 loss in 18 half-moves
6 Kb3 loss in 14 half-moves
7 Kc3 loss in 12 half-moves
8 Kb1 loss in 8 half-moves
9 Ka1 loss in 6 half-moves
10 Ka2 loss in 6 half-moves
11 Kc1 loss in 6 half-moves
12 Rf4 loss in 4 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves