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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 draw
3 Rb7 draw
4 Rb8 draw
5 Rc4 draw
6 Rd4 draw
7 Re4 draw
8 Rf4 draw
9 Rg4 draw
10 Rh4 draw
11 Ka1 loss in 2 half-moves
12 Ka2 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Kb1 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Ke8 loss in 2 half-moves
24 Kf6 loss in 2 half-moves
25 Kf7 loss in 2 half-moves
26 Kf8 loss in 2 half-moves
27 Ra4 loss in 2 half-moves
28 Rb3 loss in 2 half-moves