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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Rb6 win in 3 half-moves
5 K4b5 draw
6 K5b5 draw
7 Ka3 draw
8 Ra7 draw
9 Rb4 draw
10 Rb8 draw
11 Rf7 draw
12 K4b4 loss in 2 half-moves
13 K5b4 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves