Giraldilla Int. XD 11/22 13:20 5 Honderich, Rachael v Ya Lan, Chang - Retired
Giraldilla Int. XD 10/31 08:25 5 피트리아니, 피트리아니 v Ya Lan, Chang L 2-0
German Open 2019, WD, Qualification 10/09 11:23 - 하트, 조던 v Ya Lan, Chang L 2-0
German Open 2019, WD, Qualification 09/12 15:45 1 베르그슈타인, 이벤 v Ya Lan, Chang W 0-2
German Open 2019, WD, Qualification 08/28 11:05 - Marion Le Turdu v Ya Lan, Chang L 2-1
German Open 2019, WD, Qualification 08/07 02:42 - Manassanan, Lerthattasin v Ya Lan, Chang L 2-1
Giraldilla Int. XD 07/25 02:50 5 Suzuki, Haruko v Ya Lan, Chang L 2-0
Giraldilla Int. XD 04/14 08:00 1 Ya Lan, Chang v 호요, 야엘 L 0-2
Giraldilla Int. XD 04/13 14:20 1 Ya Lan, Chang v Lee, Z. Y. W 2-1
German Open 2019, WD, Qualification 04/05 14:15 1 체르니아브스카야, 아나스타시야 v Ya Lan, Chang L 2-1
Swiss Open Women 02/21 13:30 5 Ya Lan, Chang v 버치, 클로에 L 0-2
German Open 2019, WD, Qualification 02/20 13:20 1 Moinard, Juliette v Ya Lan, Chang W 0-2
German Open 2019, WD, Qualification 11/22 12:30 1 Hsu, Jamie v Ya Lan, Chang L 2-1
German Open 2019, WD, Qualification 10/17 13:40 1 Ya Lan, Chang v 자코비센, 줄리 다왈 L 0-2
German Open 2019, WD, Qualification 10/17 11:00 1 Karlsson, Emma v Ya Lan, Chang W 1-2
Giraldilla Int. XD 06/27 05:00 1 Ya Lan, Chang v Kim, Hyang Im L 0-2
Indonesia Masters XD 03/14 11:10 1 Ya Lan, Chang v Siahaya, Priskila L 1-2
Giraldilla Int. XD 11/23 15:00 - Ya Lan, Chang v Panuga Riou L 0-2