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

EGTB: draw

# move score
1 Rb1 draw
2 Rb2 draw
3 Ka7 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Ra4 loss in 2 half-moves
7 Rb5 loss in 2 half-moves
8 Rb6 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rb3 loss in 1 half-moves
15 Re4 loss in 1 half-moves
16 Rg4 loss in 1 half-moves
17 Rh4 loss in 1 half-moves