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

EGTB: draw

# move score
1 Rb2 draw
2 Rb3 draw
3 Rb4 draw
4 Re7 draw
5 Rf7 draw
6 Rg7 draw
7 Ra7 loss in 28 half-moves
8 Rb1 loss in 18 half-moves
9 Rb8 loss in 18 half-moves
10 Rh7 loss in 4 half-moves
11 Na2 loss in 1 half-moves
12 Nb3 loss in 1 half-moves
13 Nd3 loss in 1 half-moves
14 Ne2 loss in 1 half-moves
15 Rb5 loss in 1 half-moves
16 Rb6 loss in 1 half-moves
17 Rc7 loss in 1 half-moves
18 Rd7 loss in 1 half-moves