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

EGTB: draw

# move score
1 Rb7 draw
2 Rc7 draw
3 Rd7 draw
4 Kb1 loss in 4 half-moves
5 Kb2 loss in 4 half-moves
6 Kc2 loss in 4 half-moves
7 Kd1 loss in 4 half-moves
8 Kd2 loss in 4 half-moves
9 Re7 loss in 4 half-moves
10 Rf6 loss in 4 half-moves
11 Rf1 loss in 2 half-moves
12 Rf2 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Ra7 loss in 1 half-moves
19 Rf8 loss in 1 half-moves