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

EGTB: win in 10 half-moves

# move score
1 Re7 win in 9 half-moves
2 Ra4 draw
3 Rb7 draw
4 K6d7 loss in 2 half-moves
5 K6e7 loss in 2 half-moves
6 K6f7 loss in 2 half-moves
7 K8d7 loss in 2 half-moves
8 K8e7 loss in 2 half-moves
9 K8f7 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves