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

EGTB: win in 2 half-moves

# move score
1 Re2 win in 1 half-moves
2 Ke6 draw
3 Ke8 draw
4 Kf6 draw
5 Kf7 draw
6 Kf8 draw
7 Rc1 draw
8 Rd1 draw
9 Re3 draw
10 Rf1 draw
11 Rh1 loss in 4 half-moves
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rg1 loss in 1 half-moves