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

EGTB: draw

# move score
1 Rb5 draw
2 Rb6 draw
3 Rb7 draw
4 Ra8 loss in 4 half-moves
5 Ke1 loss in 2 half-moves
6 Ke2 loss in 2 half-moves
7 Kf2 loss in 2 half-moves
8 Kg1 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rb3 loss in 1 half-moves
19 Rh8 loss in 1 half-moves