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

EGTB: win in 8 half-moves

# move score
1 Re1 win in 7 half-moves
2 Ra7 draw
3 Kb1 loss in 2 half-moves
4 Kb2 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kd1 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kg2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re8 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