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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 g5 draw
3 Nb2 draw
4 Nc3 draw
5 Ne3 draw
6 Nf2 draw
7 Re4 draw
8 Re5 draw
9 Rg1 draw
10 Rh1 draw
11 Re2 loss in 4 half-moves
12 Re3 loss in 4 half-moves
13 Re6 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Re8 loss in 2 half-moves