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 Ka5 draw
3 Ka7 draw
4 Kab5 draw
5 Kab6 draw
6 Kb4 draw
7 Kb7 draw
8 Kc4 draw
9 Kc6 draw
10 Kcb5 draw
11 Kcb6 draw
12 Ra2 draw
13 Rb1 draw
14 Rb3 draw
15 Rb5 draw
16 Rc2 draw
17 Rh2 draw
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rg2 loss in 2 half-moves