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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ra2 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Re2 draw
7 Rf2 draw
8 Rg2 draw
9 Rh2 draw
10 Ka1 loss in 2 half-moves
11 Ka2 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves