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 Ka4 draw
3 Ka6 draw
4 Kab4 draw
5 Kab5 draw
6 Kb3 draw
7 Kb6 draw
8 Kc3 draw
9 Kc5 draw
10 Kcb4 draw
11 Kcb5 draw
12 Ra1 draw
13 Rb2 draw
14 Rb3 draw
15 Rb4 draw
16 Rc1 draw
17 Rh1 draw
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves