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

EGTB: draw

# move score
1 Kb1 draw
2 Kb2 draw
3 Kc1 draw
4 Kc3 draw
5 Kd1 draw
6 Kd2 draw
7 Kd3 draw
8 Rc3 draw
9 Rc8 draw
10 Rd4 draw
11 Re4 draw
12 Rf4 draw
13 Rg4 draw
14 Rh4 draw
15 Kb3 loss in 4 half-moves
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves