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 Ka1 draw
3 Kb1 draw
4 Rb3 draw
5 Rb5 draw
6 Rb6 draw
7 Rb7 draw
8 Rb8 draw
9 Rc2 draw
10 Rd2 draw
11 Re2 draw
12 Rf2 draw
13 Rg2 draw
14 Rh2 draw
15 Ka3 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Rb1 loss in 2 half-moves