diff --git a/src/idz/decoder/loadTopTen.ts b/src/idz/decoder/loadTopTen.ts
index 0851e0e..53c1be8 100644
--- a/src/idz/decoder/loadTopTen.ts
+++ b/src/idz/decoder/loadTopTen.ts
@@ -1,11 +1,33 @@
 import { RequestCode } from "./_defs";
+import { Id } from "../model/base";
+import { Profile } from "../model/profile";
+import { Team } from "../model/team";
 import { LoadTopTenRequest } from "../request/loadTopTen";
 
 loadTopTen.msgCode = 0x00b5 as RequestCode;
 loadTopTen.msgLen = 0x00e0;
 
 export function loadTopTen(buf: Buffer): LoadTopTenRequest {
+  const selectors = new Array();
+
+  for (let i = 0; i < 32; i++) {
+    selectors.push({
+      field_4: buf.readUInt16LE(0x0004 + 2 * i),
+      field_44: buf.readUInt32LE(0x0044 + 4 * i),
+    });
+  }
+
+  const profileId = buf.readUInt32LE(0x00c8);
+  const teamId = buf.readUInt32LE(0x00cc);
+
   return {
     type: "load_top_ten_req",
+    field_2: buf.readUInt16LE(0x0002), // Bitmask selector
+    selectors,
+    field_C4: buf.readUInt8(0x00c4), // Boolean, true if profile ID is set
+    field_C5: buf.readUInt8(0x00c5), // Always zero
+    field_C6: buf.readUInt16LE(0x00c6),
+    profileId: profileId !== 0 ? (profileId as Id<Profile>) : undefined,
+    teamId: teamId !== 0xffffffff ? (teamId as Id<Team>) : undefined,
   };
 }
diff --git a/src/idz/encoder/loadTopTen.ts b/src/idz/encoder/loadTopTen.ts
index a13b35e..7f530f9 100644
--- a/src/idz/encoder/loadTopTen.ts
+++ b/src/idz/encoder/loadTopTen.ts
@@ -1,10 +1,71 @@
+import iconv = require("iconv-lite");
+
 import { LoadTopTenResponse } from "../response/loadTopTen";
 
 export function loadTopTen(res: LoadTopTenResponse): Buffer {
   const buf = Buffer.alloc(0x1720);
 
   buf.writeUInt16LE(0x00b6, 0x0000);
-  // in awe of the size of this lad too
+  buf.writeUInt16LE(res.totalSelected, 0x0002);
+
+  for (let i = 0; i < 3; i++) {
+    if (i >= res.courses.length) {
+      break;
+    }
+
+    const course = res.courses[i];
+    const outerOff = 0x0004 + 0x794 * i;
+
+    buf.writeUInt16LE(course.courseId, outerOff + 0x0000);
+    buf.writeUInt16LE(course.field_02, outerOff + 0x0002); // Bitmask-y?
+    buf.writeUInt32LE(course.wrStageMsec[0], outerOff + 0x0004);
+    buf.writeUInt32LE(course.wrStageMsec[1], outerOff + 0x0008);
+    buf.writeUInt32LE(course.wrStageMsec[2], outerOff + 0x000c);
+
+    for (let j = 0; j < 10; j++) {
+      if (j >= course.rows.length) {
+        break;
+      }
+
+      const row = course.rows[i];
+      const innerOff = outerOff + 0x0010 + 0xc0 * j;
+
+      buf.writeUInt32LE(row.field_00, innerOff + 0x0000);
+      buf.writeUInt32LE(row.totalMsec, innerOff + 0x0004);
+      buf.writeUInt32LE(
+        (row.timestamp.getTime() / 1000) | 0,
+        innerOff + 0x0008
+      );
+      buf.writeUInt16LE(row.car, innerOff + 0x000c); // CAR
+      buf.writeUInt8(row.field_0E ? 1 : 0, innerOff + 0x000e); // Boolean
+      buf.writeUInt8(row.field_0F ? 1 : 0, innerOff + 0x000f); // Boolean
+      buf.writeUInt8(row.field_10, innerOff + 0x0010);
+      iconv.encode(row.driverName, "shift_jis").copy(buf, innerOff + 0x0014);
+      iconv.encode(row.teamName, "shift_jis").copy(buf, innerOff + 0x0028);
+      iconv.encode(row.shopName, "shift_jis").copy(buf, innerOff + 0x0048);
+      buf.writeUInt32LE(row.field_74, innerOff + 0x0074);
+      buf.writeUInt16LE(row.field_78, innerOff + 0x0078);
+      buf.writeUInt8(row.field_7C, innerOff + 0x007c);
+      buf.writeUInt8(row.field_7D, innerOff + 0x007d);
+      // 66 bytes of fucking nothing what
+    }
+  }
+
+  for (let i = 0; i < 3; i++) {
+    const offset = 0x16c0 + 0x1c * i;
+
+    if (i < res.trailers.length) {
+      const trailer = res.trailers[i];
+
+      buf.writeUInt16LE(trailer.yearMonth, offset + 0x00);
+      buf.writeUInt8(trailer.courseId, offset + 0x02);
+      buf.writeUInt8(trailer.isNight ? 1 : 0, offset + 0x03);
+      buf.writeUInt32LE(trailer.totalMsec, offset + 0x04);
+      iconv.encode(trailer.name, "shift_jis").copy(buf, offset + 0x08);
+    } else {
+      buf.writeUInt8(0xff, offset + 0x02);
+    }
+  }
 
   return buf;
 }
diff --git a/src/idz/handler/loadTopTen.ts b/src/idz/handler/loadTopTen.ts
index 1ce830e..6c8112f 100644
--- a/src/idz/handler/loadTopTen.ts
+++ b/src/idz/handler/loadTopTen.ts
@@ -8,5 +8,8 @@ export function loadTopTen(
 ): LoadTopTenResponse {
   return {
     type: "load_top_ten_res",
+    totalSelected: 0,
+    courses: [],
+    trailers: [],
   };
 }
diff --git a/src/idz/request/loadTopTen.ts b/src/idz/request/loadTopTen.ts
index e1ef029..0af609f 100644
--- a/src/idz/request/loadTopTen.ts
+++ b/src/idz/request/loadTopTen.ts
@@ -1,3 +1,19 @@
+import { Id } from "../model/base";
+import { Profile } from "../model/profile";
+import { Team } from "../model/team";
+
+export interface LoadTopTenRequestSelector {
+  field_4: number;
+  field_44: number;
+}
+
 export interface LoadTopTenRequest {
   type: "load_top_ten_req";
+  field_2: number;
+  selectors: LoadTopTenRequestSelector[];
+  field_C4: number;
+  field_C5: number;
+  field_C6: number;
+  profileId?: Id<Profile>;
+  teamId?: Id<Team>;
 }
diff --git a/src/idz/response/loadTopTen.ts b/src/idz/response/loadTopTen.ts
index 4dd910f..8e01e45 100644
--- a/src/idz/response/loadTopTen.ts
+++ b/src/idz/response/loadTopTen.ts
@@ -1,3 +1,41 @@
+import { CarSelector } from "../model/car";
+
+export interface LoadTopTenResponseRow {
+  field_00: number;
+  totalMsec: number;
+  timestamp: Date;
+  car: CarSelector;
+  field_0E: boolean;
+  field_0F: boolean;
+  field_10: number;
+  driverName: string;
+  teamName: string;
+  shopName: string;
+  field_74: number;
+  field_78: number;
+  field_7C: number;
+  field_7D: number;
+}
+
+export interface LoadTopTenResponseCourse {
+  courseId: number; // Multiplied by 2! Includes day/night i guess
+  field_02: number;
+  wrStageMsec: number[]; // Sent OOB, for first-place only
+  rows: LoadTopTenResponseRow[];
+}
+
+export interface LoadTopTenResponseTrailer {
+  // Something team related...
+  yearMonth: number;
+  courseId: number;
+  isNight: boolean;
+  totalMsec: number;
+  name: string;
+}
+
 export interface LoadTopTenResponse {
   type: "load_top_ten_res";
+  totalSelected: number;
+  courses: LoadTopTenResponseCourse[];
+  trailers: LoadTopTenResponseTrailer[];
 }