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 Rg2 win in 1 half-moves
3 Rb1 draw
4 Rb3 draw
5 Rb7 draw
6 Rb8 draw
7 Ka1 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rd2 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rh2 loss in 2 half-moves
16 Rb5 loss in 1 half-moves
17 Rb6 loss in 1 half-moves