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 Re2 win in 3 half-moves
3 Re3 win in 3 half-moves
4 Re5 win in 7 half-moves
5 Kc4 draw
6 Kd4 draw
7 Ke4 draw
8 Ra7 draw
9 Rb7 draw
10 Rc7 draw
11 Re4 draw
12 Re6 draw
13 Rg7 draw
14 Ka2 loss in 2 half-moves
15 Kb1 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves