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 Ra8 draw
3 Rb8 draw
4 Rd8 draw
5 Re8 draw
6 Rf8 draw
7 Rg1 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Ka3 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kaa4 loss in 2 half-moves
14 Kab5 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kba4 loss in 2 half-moves
18 Kbb5 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh8 loss in 2 half-moves