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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Kb3 draw
3 Kc3 draw
4 Kd3 draw
5 Ra7 draw
6 Re2 draw
7 Re3 draw
8 Re4 draw
9 Re8 draw
10 Rg7 draw
11 Rh7 draw
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kf1 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kh1 loss in 2 half-moves
21 Kh2 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Rf7 loss in 2 half-moves