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

EGTB: draw

# move score
1 Ra4 draw
2 Rb1 draw
3 Kg7 loss in 2 half-moves
4 Kg8 loss in 2 half-moves
5 Kh7 loss in 2 half-moves
6 Rb2 loss in 2 half-moves
7 Rb3 loss in 2 half-moves
8 Rb5 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves