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 Rf6 draw
3 Rf7 draw
4 Rf8 draw
5 Rg4 draw
6 Rh4 draw
7 Kf2 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kg4 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Kh3 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf5 loss in 2 half-moves