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

EGTB: win in 4 half-moves

# move score
1 Kf1 win in 3 half-moves
2 Rb3 draw
3 Rb7 draw
4 Rb8 draw
5 Rc1 loss in 8 half-moves
6 Kd1 loss in 4 half-moves
7 Ra1 loss in 4 half-moves
8 Kd2 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rd1 loss in 2 half-moves