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

EGTB: win in 2 half-moves

# move score
1 Re1 win in 1 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rd7 draw
6 Re4 draw
7 Re8 draw
8 Rf7 draw
9 Re2 loss in 2 half-moves
10 Re3 loss in 2 half-moves
11 Re5 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves