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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd1 draw
6 Kd3 draw
7 Ra8 draw
8 Rb8 draw
9 Rc8 draw
10 Re1 draw
11 Re3 draw
12 Re5 draw
13 Re6 draw
14 Re7 draw
15 Rf8 draw
16 Rg8 draw
17 Ke1 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rh8 loss in 2 half-moves