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 Kd2 draw
4 Ke1 draw
5 Ke2 draw
6 Rb5 draw
7 Re3 draw
8 Re4 draw
9 Re7 draw
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves