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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Ra2 draw
4 Rb1 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Rd2 draw
9 Rh2 draw
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves