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 Ra4 draw
3 Rb1 draw
4 Rb2 draw
5 Rb5 draw
6 Rb6 draw
7 Rb7 draw
8 Re4 draw
9 Rf4 draw
10 Rg4 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd2 loss in 2 half-moves
23 Kd3 loss in 2 half-moves
24 Kd5 loss in 2 half-moves
25 Kd6 loss in 2 half-moves
26 Kd7 loss in 2 half-moves
27 Rb3 loss in 2 half-moves
28 Rc4 loss in 2 half-moves
29 Rd4 loss in 2 half-moves
30 Rh4 loss in 2 half-moves