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 Ke2 draw
3 Ke3 draw
4 Kf2 draw
5 Kf4 draw
6 Kg2 draw
7 Kg3 draw
8 Re4 draw
9 Rf4 draw
10 Rg1 draw
11 Rg2 draw
12 Rg3 draw
13 Rg8 draw
14 Rh4 draw
15 Ke4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves