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 Rf5 draw
3 Rf6 draw
4 Rf7 draw
5 K1e2 loss in 2 half-moves
6 K1f2 loss in 2 half-moves
7 K1g2 loss in 2 half-moves
8 K3e2 loss in 2 half-moves
9 K3f2 loss in 2 half-moves
10 K3g2 loss in 2 half-moves
11 Ke1 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves