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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 Kd8 draw
3 Kef7 draw
4 Kff7 draw
5 Kg7 draw
6 Kg8 draw
7 Ra3 draw
8 Re1 draw
9 Re2 draw
10 Rf3 draw
11 Rg3 draw
12 Rh3 draw
13 Kd7 loss in 2 half-moves
14 Kee7 loss in 2 half-moves
15 Kfe7 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves