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

EGTB: win in 2 half-moves

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