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

EGTB: win in 4 half-moves

# move score
1 Re2 win in 3 half-moves
2 Re1 win in 5 half-moves
3 Ra6 draw
4 Re3 draw
5 Re4 draw
6 Re5 draw
7 Re7 draw
8 Rf6 draw
9 Rh6 draw
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Ke1 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg6 loss in 2 half-moves