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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 Ra2 draw
3 Ra4 draw
4 Ra5 draw
5 Ra6 draw
6 Rd7 draw
7 Ke6 loss in 2 half-moves
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Kff6 loss in 2 half-moves
14 Kfg6 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kg8 loss in 2 half-moves
18 Kgf6 loss in 2 half-moves
19 Kgg6 loss in 2 half-moves
20 Kh4 loss in 2 half-moves
21 Kh5 loss in 2 half-moves
22 Kh6 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Ra8 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rc7 loss in 2 half-moves