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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Nb6 draw
3 Nc5 draw
4 Rb8 draw
5 Rd2 draw
6 Rd4 draw
7 g5 loss in 2 half-moves
8 Nb2 loss in 2 half-moves
9 Nc3 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd1 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