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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Rd4 draw
6 Rd7 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Rd6 loss in 4 half-moves
11 Rb8 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rd3 loss in 1 half-moves
16 Rd5 loss in 1 half-moves