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

EGTB: draw

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