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

EGTB: draw

# move score
1 Kb1 draw
2 Kc2 draw
3 Kd1 draw
4 Kd2 draw
5 Ra4 draw
6 Re1 draw
7 Re2 draw
8 Re3 draw
9 Re5 draw
10 Re6 draw
11 Rf4 draw
12 Rg4 draw
13 Rh4 draw
14 Kb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Re8 loss in 2 half-moves