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

EGTB: draw

# move score
1 Kb2 draw
2 Kb3 draw
3 Kc1 draw
4 Kc3 draw
5 Kd1 draw
6 Kd2 draw
7 Kd3 draw
8 Rc6 draw
9 Rc7 draw
10 Rd8 draw
11 Re8 draw
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Kb1 loss in 1 half-moves
20 Rg8 loss in 1 half-moves