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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rc1 win in 3 half-moves
3 Ka6 draw
4 Ka7 draw
5 Ka8 draw
6 Kb4 draw
7 Kb5 draw
8 Kb6 draw
9 Kb8 draw
10 Kc3 draw
11 Kd3 draw
12 Kd4 draw
13 Ra1 draw
14 Rg1 draw
15 Rh2 draw
16 Rh3 draw
17 Rh4 draw
18 Rh5 draw
19 Kb3 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Kc7 loss in 2 half-moves
23 Kc8 loss in 2 half-moves
24 Kd5 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves
28 Rh6 loss in 2 half-moves
29 Rh7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves