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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rb4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Re2 draw
8 Rf2 draw
9 Ka2 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rh2 loss in 2 half-moves
16 Rd2 loss in 1 half-moves