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 Ra7 draw
3 Ra8 draw
4 Re8 draw
5 Rf5 draw
6 Kb7 loss in 4 half-moves
7 Kb8 loss in 4 half-moves
8 Kc7 loss in 4 half-moves
9 Kd7 loss in 4 half-moves
10 Kd8 loss in 4 half-moves
11 Rab5 loss in 4 half-moves
12 Rac5 loss in 4 half-moves
13 Rad5 loss in 4 half-moves
14 Reb5 loss in 4 half-moves
15 Rec5 loss in 4 half-moves
16 Red5 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Rg5 loss in 2 half-moves
28 Rh5 loss in 2 half-moves