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 Rg8 win in 3 half-moves
3 g5 draw
4 Nb2 draw
5 Nb6 draw
6 Nc3 draw
7 Nc5 draw
8 Rb8 draw
9 Rd4 draw
10 Ra8 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Rd2 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves