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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Re2 win in 3 half-moves
3 Ra6 draw
4 Rc6 draw
5 Re3 draw
6 Re4 draw
7 Re5 draw
8 Re8 draw
9 Rf6 draw
10 Kg1 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves