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

EGTB: win in 2 half-moves

# move score
1 Re7 win in 1 half-moves
2 Kd8 draw
3 Kd7 loss in 10 half-moves
4 Kb7 loss in 6 half-moves
5 Kc7 loss in 4 half-moves
6 Ra3 loss in 4 half-moves
7 Ra8 loss in 4 half-moves
8 Kb8 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Ra5 loss in 1 half-moves