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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kf4 draw
3 Kg3 draw
4 Kg4 draw
5 Re7 draw
6 Re8 draw
7 Rg4 draw
8 Rh4 draw
9 Kg2 loss in 4 half-moves
10 Ke2 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf4 loss in 2 half-moves