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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Ra8 draw
6 Rb8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rg1 draw
11 Rg2 draw
12 Rg4 draw
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Kc1 loss in 2 half-moves
19 Kc3 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 Kd1 loss in 2 half-moves
24 Kd2 loss in 2 half-moves
25 Kd3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg5 loss in 2 half-moves
28 Rg6 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves