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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rc4 win in 1 half-moves
3 Rb2 draw
4 Rb3 draw
5 Rb7 draw
6 Rb8 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 Ka3 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves