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

EGTB: draw

# move score
1 Kb4 draw
2 Kb5 draw
3 Kc4 draw
4 Kd4 draw
5 Kd5 draw
6 Ra6 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rb4 draw
11 Rb5 draw
12 Rc6 draw
13 Re6 draw
14 Rf6 draw
15 Rg6 draw
16 Rh6 draw
17 Kc6 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd6 loss in 2 half-moves