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 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Re2 draw
8 Rf2 draw
9 Rg2 draw
10 Rh2 draw
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kg4 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kg6 loss in 2 half-moves
22 Kh4 loss in 2 half-moves
23 Kh6 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rd2 loss in 2 half-moves