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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Ka5 win in 7 half-moves
3 Ka6 win in 7 half-moves
4 Ka7 win in 7 half-moves
5 Kb7 win in 7 half-moves
6 Kbc5 win in 7 half-moves
7 Kc6 win in 7 half-moves
8 Kc7 win in 7 half-moves
9 Ra4 win in 7 half-moves
10 Kb3 draw
11 Kbb5 draw
12 Kc3 draw
13 Kcb5 draw
14 Kcc5 draw
15 Kd5 draw
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves