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

EGTB: draw

# move score
1 Rb6 draw
2 Rb7 draw
3 Rc8 draw
4 Re8 draw
5 Rf8 loss in 4 half-moves
6 Rg8 loss in 4 half-moves
7 Rh8 loss in 4 half-moves
8 Ka2 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rb5 loss in 1 half-moves