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 Rf4 draw
3 Rg4 draw
4 Rh4 draw
5 Ka1 loss in 2 half-moves
6 Ka2 loss in 2 half-moves
7 Ka3 loss in 2 half-moves
8 Ka5 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves