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 Ke1 draw
3 Ke2 draw
4 Kf2 draw
5 Kg2 draw
6 Re1 draw
7 Re2 draw
8 Kg1 loss in 4 half-moves
9 Rb3 loss in 4 half-moves
10 Rc3 loss in 4 half-moves
11 Rd3 loss in 4 half-moves
12 Re5 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Ra3 loss in 1 half-moves