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

EGTB: win in 2 half-moves

# move score
1 Re8 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Rd3 draw
5 Kb8 loss in 6 half-moves
6 Rd1 loss in 6 half-moves
7 Kd7 loss in 2 half-moves
8 Rd5 loss in 2 half-moves
9 Rd6 loss in 2 half-moves
10 Rd7 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Rd2 loss in 1 half-moves
15 Rd4 loss in 1 half-moves