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 Ka3 draw
3 Ka6 draw
4 Ka7 draw
5 Kaa5 draw
6 Kab5 draw
7 Kb3 draw
8 Kb4 draw
9 Kb7 draw
10 Kba5 draw
11 Kbb5 draw
12 Kc6 draw
13 Kc7 draw
14 Ra8 draw
15 Rb8 draw
16 Rg1 draw
17 Rg5 draw
18 Rg6 draw
19 Rg7 draw
20 Rh8 draw
21 Kc5 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves