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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Ka4 draw
3 Kb3 draw
4 Kb5 draw
5 Ra8 draw
6 Rb6 draw
7 Rb7 draw
8 Rd8 draw
9 Re8 draw
10 Rf8 draw
11 Ka3 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Kc3 loss in 1 half-moves
17 Kc4 loss in 1 half-moves
18 Kc5 loss in 1 half-moves