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 Rd7 draw
4 Re3 draw
5 Re4 draw
6 Re8 draw
7 Rf7 draw
8 Rg7 draw
9 Rh7 draw
10 Ka1 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 K2a3 loss in 1 half-moves
22 K2b3 loss in 1 half-moves
23 K4a3 loss in 1 half-moves
24 K4b3 loss in 1 half-moves