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 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb5 draw
6 Rc8 draw
7 Ke8 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Kc7 loss in 1 half-moves
12 Kc8 loss in 1 half-moves
13 Kd7 loss in 1 half-moves
14 Ke7 loss in 1 half-moves